Complete refactoring of couch_js.

In particular, the cURL bindings have been rewritten to be more useful
and easily applied in command line scripts.



git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@884672 13f79535-47bb-0310-9956-ffa450edef68

9 files changed, 1325 insertions, 1591 deletions

diff --git a/src/couchdb/priv/Makefile.am b/src/couchdb/priv/Makefile.am
index d4c759c1..8c4383dc 100644
--- a/src/couchdb/priv/Makefile.am
+++ b/src/couchdb/priv/Makefile.am
@@ -15,11 +15,41 @@ couchprivdir = $(couchlibdir)/priv
 couchprivlibdir = $(couchlibdir)/priv/lib
 
 EXTRA_DIST = \
-	couchspawnkillable.sh \
+	spawnkillable/couchspawnkillable.sh \
 	stat_descriptions.cfg.in
 
 CLEANFILES = stat_descriptions.cfg
 
+ICU_LOCAL_FLAGS = $(ICU_LOCAL_CFLAGS) $(ICU_LOCAL_LDFLAGS)
+if WINDOWS
+ICU_LOCAL_LIBS=-licuuc -licudt -licuin
+else
+ICU_LOCAL_LIBS=-licuuc -licudata -licui18n
+endif
+
+couchprivlib_LTLIBRARIES = couch_icu_driver.la
+couch_icu_driver_la_SOURCES = icu_driver/couch_icu_driver.c
+couch_icu_driver_la_LDFLAGS = -module -avoid-version $(ICU_LOCAL_FLAGS)
+couch_icu_driver_la_CFLAGS = $(ICU_LOCAL_FLAGS)
+couch_icu_driver_la_LIBADD = $(ICU_LOCAL_LIBS)
+
+if WINDOWS
+couch_icu_driver_la_LDFLAGS += -no-undefined
+endif
+
+COUCHJS_SRCS = \
+	couch_js/http.c \
+	couch_js/http.h \
+	couch_js/main.c \
+	couch_js/utf8.c \
+	couch_js/utf8.h
+
+locallibbin_PROGRAMS = couchjs
+couchjs_SOURCES = $(COUCHJS_SRCS)
+couchjs_LDFLAGS = $(CURL_LDFLAGS)
+couchjs_CFLAGS = $(CURL_CFLAGS)
+couchjs_LDADD = $(CURL_LDFLAGS) @JSLIB@
+
 couchpriv_DATA = stat_descriptions.cfg
 couchpriv_PROGRAMS = couchspawnkillable
 
diff --git a/src/couchdb/priv/couch_js/couch_js.c b/src/couchdb/priv/couch_js/couch_js.c
deleted file mode 100644
index 0acc5b55..00000000
--- a/src/couchdb/priv/couch_js/couch_js.c
+++ /dev/null
@@ -1,1286 +0,0 @@
-/*
-
-Licensed under the Apache License, Version 2.0 (the "License"); you may not use
-this file except in compliance with the License. You may obtain a copy of the
-License at
-
-  http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software distributed
-under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-CONDITIONS OF ANY KIND, either express or implied. See the License for the
-specific language governing permissions and limitations under the License.
-
-*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "curlhelper.h"
-#include <jsapi.h>
-#include <curl/curl.h>
-#include "config.h"
-
-#ifndef CURLOPT_COPYPOSTFIELDS
-   #define CURLOPT_COPYPOSTFIELDS 10165
-#endif
-
-int gExitCode = 0;
-int gStackChunkSize = 8L * 1024L;
-
-int
-EncodeChar(uint8 *utf8Buffer, uint32 ucs4Char) {
-    int utf8Length = 1;
-
-    if (ucs4Char < 0x80) {
-        *utf8Buffer = (uint8)ucs4Char;
-    } else {
-        int i;
-        uint32 a = ucs4Char >> 11;
-        utf8Length = 2;
-        while (a) {
-            a >>= 5;
-            utf8Length++;
-        }
-        i = utf8Length;
-        while (--i) {
-            utf8Buffer[i] = (uint8)((ucs4Char & 0x3F) | 0x80);
-            ucs4Char >>= 6;
-        }
-        *utf8Buffer = (uint8)(0x100 - (1 << (8-utf8Length)) + ucs4Char);
-    }
-    return utf8Length;
-}
-
-JSBool
-EncodeString(const jschar *src, size_t srclen, char *dst, size_t *dstlenp) {
-    size_t i, utf8Len, dstlen = *dstlenp, origDstlen = dstlen;
-    jschar c, c2;
-    uint32 v;
-    uint8 utf8buf[6];
-
-    if (!dst)
-        dstlen = origDstlen = (size_t) -1;
-
-    while (srclen) {
-        c = *src++;
-        srclen--;
-        if ((c >= 0xDC00) && (c <= 0xDFFF))
-            goto badSurrogate;
-        if (c < 0xD800 || c > 0xDBFF) {
-            v = c;
-        } else {
-            if (srclen < 1)
-                goto bufferTooSmall;
-            c2 = *src++;
-            srclen--;
-            if ((c2 < 0xDC00) || (c2 > 0xDFFF)) {
-                c = c2;
-                goto badSurrogate;
-            }
-            v = ((c - 0xD800) << 10) + (c2 - 0xDC00) + 0x10000;
-        }
-        if (v < 0x0080) {
-            /* no encoding necessary - performance hack */
-            if (!dstlen)
-                goto bufferTooSmall;
-            if (dst)
-                *dst++ = (char) v;
-            utf8Len = 1;
-        } else {
-            utf8Len = EncodeChar(utf8buf, v);
-            if (utf8Len > dstlen)
-                goto bufferTooSmall;
-            if (dst) {
-                for (i = 0; i < utf8Len; i++)
-                    *dst++ = (char) utf8buf[i];
-            }
-        }
-        dstlen -= utf8Len;
-    }
-    *dstlenp = (origDstlen - dstlen);
-    return JS_TRUE;
-
-badSurrogate:
-    *dstlenp = (origDstlen - dstlen);
-    return JS_FALSE;
-
-bufferTooSmall:
-    *dstlenp = (origDstlen - dstlen);
-    return JS_FALSE;
-}
-
-static uint32
-DecodeChar(const uint8 *utf8Buffer, int utf8Length) {
-    uint32 ucs4Char;
-    uint32 minucs4Char;
-    /* from Unicode 3.1, non-shortest form is illegal */
-    static const uint32 minucs4Table[] = {
-        0x00000080, 0x00000800, 0x0001000, 0x0020000, 0x0400000
-    };
-
-    if (utf8Length == 1) {
-        ucs4Char = *utf8Buffer;
-    } else {
-        ucs4Char = *utf8Buffer++ & ((1<<(7-utf8Length))-1);
-        minucs4Char = minucs4Table[utf8Length-2];
-        while (--utf8Length) {
-            ucs4Char = ucs4Char<<6 | (*utf8Buffer++ & 0x3F);
-        }
-        if (ucs4Char < minucs4Char ||
-            ucs4Char == 0xFFFE || ucs4Char == 0xFFFF) {
-            ucs4Char = 0xFFFD;
-        }
-    }
-    return ucs4Char;
-}
-
-JSBool
-DecodeString(const char *src, size_t srclen, jschar *dst, size_t *dstlenp) {
-    uint32 v;
-    size_t offset = 0, j, n, dstlen = *dstlenp, origDstlen = dstlen;
-
-    if (!dst)
-        dstlen = origDstlen = (size_t) -1;
-
-    while (srclen) {
-        v = (uint8) *src;
-        n = 1;
-        if (v & 0x80) {
-            while (v & (0x80 >> n))
-                n++;
-            if (n > srclen)
-                goto bufferTooSmall;
-            if (n == 1 || n > 6)
-                goto badCharacter;
-            for (j = 1; j < n; j++) {
-                if ((src[j] & 0xC0) != 0x80)
-                    goto badCharacter;
-            }
-            v = DecodeChar((const uint8 *) src, n);
-            if (v >= 0x10000) {
-                v -= 0x10000;
-                if (v > 0xFFFFF || dstlen < 2) {
-                    *dstlenp = (origDstlen - dstlen);
-                    return JS_FALSE;
-                }
-                if (dstlen < 2)
-                    goto bufferTooSmall;
-                if (dst) {
-                    *dst++ = (jschar)((v >> 10) + 0xD800);
-                    v = (jschar)((v & 0x3FF) + 0xDC00);
-                }
-                dstlen--;
-            }
-        }
-        if (!dstlen)
-            goto bufferTooSmall;
-        if (dst)
-            *dst++ = (jschar) v;
-        dstlen--;
-        offset += n;
-        src += n;
-        srclen -= n;
-    }
-    *dstlenp = (origDstlen - dstlen);
-    return JS_TRUE;
-
-badCharacter:
-    *dstlenp = (origDstlen - dstlen);
-    return JS_FALSE;
-
-bufferTooSmall:
-    *dstlenp = (origDstlen - dstlen);
-    return JS_FALSE;
-}
-
-static JSBool
-EvalInContext(JSContext *context, JSObject *obj, uintN argc, jsval *argv,
-              jsval *rval) {
-    JSString *str;
-    JSObject *sandbox;
-    JSContext *sub_context;
-    const jschar *src;
-    size_t srclen;
-    JSBool ok;
-    jsval v;
-
-    sandbox = NULL;
-    if (!JS_ConvertArguments(context, argc, argv, "S / o", &str, &sandbox))
-        return JS_FALSE;
-
-    sub_context = JS_NewContext(JS_GetRuntime(context), gStackChunkSize);
-    if (!sub_context) {
-        JS_ReportOutOfMemory(context);
-        return JS_FALSE;
-    }
-
-#ifdef USE_JS_SETOPCB
-    JS_SetContextThread(sub_context);
-    JS_BeginRequest(sub_context);
-#endif
-
-    src = JS_GetStringChars(str);
-    srclen = JS_GetStringLength(str);
-
-    if (!sandbox) {
-        sandbox = JS_NewObject(sub_context, NULL, NULL, NULL);
-        if (!sandbox || !JS_InitStandardClasses(sub_context, sandbox)) {
-            ok = JS_FALSE;
-            goto out;
-        }
-    }
-
-    if (srclen == 0) {
-        *rval = OBJECT_TO_JSVAL(sandbox);
-        ok = JS_TRUE;
-    } else {
-        ok = JS_EvaluateUCScript(sub_context, sandbox, src, srclen, NULL, 0,
-                                 rval);
-        ok = JS_TRUE;
-    }
-
-out:
-#ifdef USE_JS_SETOPCB
-    JS_EndRequest(sub_context);
-    JS_ClearContextThread(sub_context);
-#endif
-
-    JS_DestroyContext(sub_context);
-    return ok;
-}
-
-static JSBool
-GC(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-    JS_GC(context);
-    return JS_TRUE;
-}
-
-static JSBool
-Print(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-    uintN i;
-    size_t cl, bl;
-    JSString *str;
-    jschar *chars;
-    char *bytes;
-
-    for (i = 0; i < argc; i++) {
-        str = JS_ValueToString(context, argv[i]);
-        if (!str)
-            return JS_FALSE;
-        chars = JS_GetStringChars(str);
-        cl = JS_GetStringLength(str);
-        if (!EncodeString(chars, cl, NULL, &bl))
-            return JS_FALSE;
-        bytes = JS_malloc(context, bl + 1);
-        bytes[bl] = '\0';
-        if (!EncodeString(chars, cl, bytes, &bl)) {
-            JS_free(context, bytes);
-            return JS_FALSE;
-        }
-        fprintf(stdout, "%s%s", i ? " " : "", bytes);
-        JS_free(context, bytes);
-    }
-
-    fputc('\n', stdout);
-    fflush(stdout);
-    return JS_TRUE;
-}
-
-static JSBool
-Quit(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-    JS_ConvertArguments(context, argc, argv, "/ i", &gExitCode);
-    return JS_FALSE;
-}
-
-static JSBool
-ReadLine(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-    char *bytes, *tmp;
-    jschar *chars;
-    size_t bufsize, byteslen, charslen, readlen;
-    JSString *str;
-
-    JS_MaybeGC(context);
-
-    byteslen = 0;
-    bufsize = 256;
-    bytes = JS_malloc(context, bufsize);
-    if (!bytes)
-        return JS_FALSE;
-
-    while ((readlen = js_fgets(bytes + byteslen, bufsize - byteslen, stdin)) > 0) {
-        byteslen += readlen;
-
-        /* Are we done? */
-        if (bytes[byteslen - 1] == '\n') {
-            bytes[byteslen - 1] = '\0';
-            break;
-        }
-
-        /* Else, grow our buffer for another pass */
-        tmp = JS_realloc(context, bytes, bufsize * 2);
-        if (!tmp) {
-            JS_free(context, bytes);
-            return JS_FALSE;
-        }
-
-        bufsize *= 2;
-        bytes = tmp;
-    }
-
-    /* Treat the empty string specially */
-    if (byteslen == 0) {
-        *rval = JS_GetEmptyStringValue(context);
-        JS_free(context, bytes);
-        return JS_TRUE;
-    }
-
-    /* Shrink the buffer to the real size */
-    tmp = JS_realloc(context, bytes, byteslen);
-    if (!tmp) {
-        JS_free(context, bytes);
-        return JS_FALSE;
-    }
-    bytes = tmp;
-
-    /* Decode the string from UTF-8 */
-    if (!DecodeString(bytes, byteslen, NULL, &charslen)) {
-        JS_free(context, bytes);
-        return JS_FALSE;
-    }
-    chars = JS_malloc(context, (charslen + 1) * sizeof(jschar));
-    if (!DecodeString(bytes, byteslen, chars, &charslen)) {
-        JS_free(context, bytes);
-        JS_free(context, chars);
-        return JS_FALSE;
-    }
-    JS_free(context, bytes);
-    chars[charslen] = '\0';
-
-    /* Initialize a JSString object */
-    str = JS_NewUCString(context, chars, charslen - 1);
-    if (!str) {
-        JS_free(context, chars);
-        return JS_FALSE;
-    }
-
-    *rval = STRING_TO_JSVAL(str);
-    return JS_TRUE;
-}
-
-static JSBool
-Seal(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-    JSObject *target;
-    JSBool deep = JS_FALSE;
-
-    if (!JS_ConvertArguments(context, argc, argv, "o/b", &target, &deep))
-        return JS_FALSE;
-    if (!target)
-        return JS_TRUE;
-    return JS_SealObject(context, target, deep);
-}
-
-static void
-ExecuteScript(JSContext *context, JSObject *obj, const char *filename) {
-    FILE *file;
-    JSScript *script;
-    jsval result;
-
-    if (!filename || strcmp(filename, "-") == 0) {
-        file = stdin;
-    } else {
-        file = fopen(filename, "r");
-        if (!file) {
-            fprintf(stderr, "could not open script file %s\n", filename);
-            gExitCode = 1;
-            return;
-        }
-    }
-
-    script = JS_CompileFileHandle(context, obj, filename, file);
-    if (script) {
-        JS_ExecuteScript(context, obj, script, &result);
-        JS_DestroyScript(context, script);
-    }
-}
-
-static uint32 gBranchCount = 0;
-
-#ifdef USE_JS_SETOPCB
-static JSBool
-OperationCallback(JSContext *context)
-{
-    if ((++gBranchCount & 0x3fff) == 1) {
-        JS_MaybeGC(context);
-    }
-    return JS_TRUE;
-}
-#else
-static JSBool
-BranchCallback(JSContext *context, JSScript *script) {
-    if ((++gBranchCount & 0x3fff) == 1) {
-        JS_MaybeGC(context);
-    }
-    return JS_TRUE;
-}
-#endif
-
-static void
-PrintError(JSContext *context, const char *message, JSErrorReport *report) {
-    if (!report || !JSREPORT_IS_WARNING(report->flags))
-        fprintf(stderr, "%s\n", message);
-}
-
-JSBool ThrowError(JSContext *cx, const char *message)
-{
-    void *mark;
-    jsval *args;
-    jsval exc;
-
-    printf("%s\n",message);
-
-    args = JS_PushArguments(cx, &mark, "s", message);
-    if (args) {
-        if (JS_CallFunctionName(cx, JS_GetGlobalObject(cx),
-                                "Error", 1, args, &exc))
-            JS_SetPendingException(cx, exc);
-        JS_PopArguments(cx, mark);
-    }
-
-    return JS_FALSE;
-}
-
-typedef struct buffer_counter {
- Buffer buffer;
- int pos;
-}* BufferCount;
-
-size_t curl_read(void *ptr, size_t size, size_t nmemb, void *stream) {
-  int readlength, spaceleft, i;
-  char* databuffer = (char*)ptr;
-  Buffer b = ((BufferCount)stream)->buffer;
-  int* pos = &(((BufferCount)stream)->pos);
-
-  if( size == 0 || nmemb == 0) {
-    return 0;
-  }
-
-  if((b->count - *pos) == 0) {
-    return 0;
-  }
-
-  readlength = size*nmemb;
-  spaceleft = b->count - *pos;
-
-  if(readlength < spaceleft) {
-    copy_Buffer(b,databuffer,*pos,readlength);
-    *(pos) += readlength;
-    return readlength;
-  } else {
-    copy_Buffer(b,databuffer,*pos,spaceleft);
-    *(pos) += spaceleft;
-    return spaceleft;
-  }
-}
-
-size_t curl_write(void *ptr, size_t size, size_t nmemb, void *stream) {
-  char *data, *tmp;
-  Buffer b;
-  if( size == 0 || nmemb == 0 )
-    return 0;
-
-  data = (char *)ptr;
-  b = (Buffer)stream;
-
-  append_Buffer(b,data,size*nmemb);
-
-  return size*nmemb;
-}
-
-// This uses MALLOC dont forget to free
-char* JSValToChar(JSContext* context, jsval* arg) {
-  char *c, *tmp;
-  JSString *jsmsg;
-  size_t len;
-  int i;
-  if(!JSVAL_IS_STRING(*arg)) {
-    return NULL;
-  }
-
-  jsmsg = JS_ValueToString(context,*arg);
-  len = JS_GetStringLength(jsmsg);
-  tmp = JS_GetStringBytes(jsmsg);
-
-  c = (char*)malloc(len+1);
-  c[len] = '\0';
-
-  for(i = 0;i < len;i++) {
-    c[i] = tmp[i];
-  }
-
-  return c;
-}
-
-JSBool BufferToJSVal(JSContext *context, Buffer b, jsval *rval) {
-  char* c;
-  JSString *str;
-
-  // Important for char* to be JS_malloced, otherwise js wont let you use it in the NewString method
-  c = JS_malloc(context, b->count * sizeof(char));
-  copy_Buffer(b,c,0,b->count);
-
-
-  /* Initialize a JSString object */
-  str = JS_NewString(context, c, b->count);
-
-  if (!str) {
-    JS_free(context, c);
-    return JS_FALSE;
-  }
-
-  // Set Return Value
-  *rval = STRING_TO_JSVAL(str);
-  if(rval == NULL) {
-    return JS_FALSE;
-  }
-  return JS_TRUE;
-}
-
-struct curl_slist* generateCurlHeaders(JSContext* context,jsval* arg) {
-  // If arg is an object then we go the header-hash route else return NULL
-
-  if(!JSVAL_IS_NULL(*arg)) {
-
-    struct curl_slist *slist = NULL;
-    JSObject* header_obj;
-    JSObject* iterator;
-    jsval *jsProperty;
-    jsval *jsValue;
-    jsid *jsId;
-    Buffer bTmp;
-    char* jsPropertyName, *jsPropertyValue;
-
-    // If we fail to convert arg2 to an object. Error!
-    if(!JS_ValueToObject(context,*arg,&header_obj)) {
-      return NULL;
-    }
-
-    iterator = JS_NewPropertyIterator(context,header_obj);
-
-    jsProperty = JS_malloc(context,sizeof(jsval));
-    jsValue = JS_malloc(context,sizeof(jsval));
-    jsId = JS_malloc(context,sizeof(jsid));
-
-    while(JS_NextProperty(context,iterator,jsId) == JS_TRUE) {
-
-      if(*jsId == JSVAL_VOID) {
-        break;
-      }
-
-      // TODO: Refactor this maybe make a JSValAppendBuffer method b/c that is what you really want to do.
-
-      bTmp = init_Buffer();
-      JS_IdToValue(context,*jsId,jsProperty);
-      jsPropertyName = JSValToChar(context,jsProperty);
-
-      // TODO: Remove strlen =/
-      append_Buffer(bTmp,jsPropertyName,strlen(jsPropertyName));
-      append_Buffer(bTmp,": ",2);
-
-      JS_GetProperty(context,header_obj,jsPropertyName,jsValue);
-      jsPropertyValue = JSValToChar(context,jsValue);
-      // TODO: Remove strlen =/
-      append_Buffer(bTmp,jsPropertyValue,strlen(jsPropertyValue));
-      append_Buffer(bTmp,"",1);
-
-      slist = curl_slist_append(slist,bTmp->data);
-
-      free_Buffer(bTmp);
-      free(jsPropertyValue);
-      free(jsPropertyName);
-    }
-
-    JS_free(context,jsProperty);
-    JS_free(context,jsValue);
-    JS_free(context,jsId);
-
-    return slist;
-
-  } else {
-    return NULL;
-  }
-}
-
-static JSBool
-GetHttp(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-  CURL* handle;
-  Buffer b;
-  char *url;
-  size_t charslen, readlen;
-  struct curl_slist *slist;
-  int exitcode;
-
-  // Run GC
-  JS_MaybeGC(context);
-
-  // Init Curl
-  if((handle = curl_easy_init()) == NULL) {
-    return JS_FALSE;
-  }
-
-  // Get URL
-  url = JSValToChar(context,argv);
-  if( url == NULL ) {
-    return ThrowError(context,"Unable to convert url (argument 0) to a string");
-  }
-
-  b = init_Buffer(); // Allocate buffer that will store the get resultant
-
-  // Configuration
-  curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEDATA,b);
-  curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEHEADER,b);
-  curl_easy_setopt(handle,CURLOPT_URL,url);
-  curl_easy_setopt(handle,CURLOPT_HTTPGET,1);
-  curl_easy_setopt(handle,CURLOPT_FOLLOWLOCATION,1);
-  curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);
-  curl_easy_setopt(handle,CURLOPT_IPRESOLVE,CURL_IPRESOLVE_V4);
-
-  slist = generateCurlHeaders(context,argv+1);
-  if(slist != NULL) {
-    curl_easy_setopt(handle,CURLOPT_HTTPHEADER,slist);
-  }
-
-  // Perform
-  if((exitcode = curl_easy_perform(handle)) != 0) {
-    if(slist != NULL) {
-      curl_slist_free_all(slist);
-    }
-    curl_easy_cleanup(handle);
-    free(url);
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-
-  free(url);
-  if(slist != NULL) {
-    curl_slist_free_all(slist);
-  }
-
-  /* Treat the empty string specially */
-  if (b->count == 0) {
-    free_Buffer(b);
-    *rval = JS_GetEmptyStringValue(context);
-    curl_easy_cleanup(handle);
-    return JS_TRUE;
-  }
-
-  /* Shrink the buffer to the real size  and store its value in rval */
-  shrink_Buffer(b);
-  BufferToJSVal(context,b,rval);
-
-  // Free Buffer
-  free_Buffer(b);
-
-  if(rval == NULL) {
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  JS_MaybeGC(context);
-
-  curl_easy_cleanup(handle);
-
-  return JS_TRUE;
-}
-
-static JSBool
-HeadHttp(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-  CURL* handle;
-  Buffer b;
-  char *url;
-  size_t charslen, readlen;
-  struct curl_slist *slist;
-  int exitcode;
-
-  // Run GC
-  JS_MaybeGC(context);
-
-  // Init Curl
-  if((handle = curl_easy_init()) == NULL) {
-    return JS_FALSE;
-  }
-
-  // Get URL
-  url = JSValToChar(context,argv);
-  if( url == NULL ) {
-    return ThrowError(context,"Unable to convert url (argument 0) to a string");
-  }
-
-  b = init_Buffer(); // Allocate buffer that will store the get resultant
-
-  // Configuration
-  // curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,curl_write);
-  // curl_easy_setopt(handle,CURLOPT_WRITEDATA,b);
-  curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEHEADER,b);
-  curl_easy_setopt(handle,CURLOPT_URL,url);
-  curl_easy_setopt(handle,CURLOPT_HTTPGET,0);
-  curl_easy_setopt(handle,CURLOPT_NOBODY,1);
-  curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);
-  curl_easy_setopt(handle,CURLOPT_IPRESOLVE,CURL_IPRESOLVE_V4);
-
-  slist = generateCurlHeaders(context,argv+1);
-  if(slist != NULL) {
-    curl_easy_setopt(handle,CURLOPT_HTTPHEADER,slist);
-  }
-
-  // fprintf(stderr, "about to run HEAD request\n");
-
-  // Perform
-  if((exitcode = curl_easy_perform(handle)) != 0) {
-    if(slist != NULL) {
-      curl_slist_free_all(slist);
-    }
-    curl_easy_cleanup(handle);
-    free(url);
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-  // fprintf(stderr, "ran ok HEAD request\n");
-
-  free(url);
-  if(slist != NULL) {
-    curl_slist_free_all(slist);
-  }
-
-  /* Treat the empty string specially */
-  if (b->count == 0) {
-    free_Buffer(b);
-    *rval = JS_GetEmptyStringValue(context);
-    curl_easy_cleanup(handle);
-    return JS_TRUE;
-  }
-
-  /* Shrink the buffer to the real size  and store its value in rval */
-  shrink_Buffer(b);
-  BufferToJSVal(context,b,rval);
-
-  // Free Buffer
-  free_Buffer(b);
-
-  if(rval == NULL) {
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  JS_MaybeGC(context);
-
-  curl_easy_cleanup(handle);
-
-  return JS_TRUE;
-}
-
-
-static JSBool
-PostHttp(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-  CURL* handle;
-  Buffer b;
-  char *url, *body;
-  size_t charslen, readlen;
-  struct curl_slist *slist;
-  int exitcode;
-
-  // Run GC
-  JS_MaybeGC(context);
-
-  // Init Curl
-  if((handle = curl_easy_init()) == NULL) {
-    return JS_FALSE;
-  }
-
-  // Get URL
-  if((url = JSValToChar(context,argv)) == NULL) {
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  // Initialize buffer
-  b = init_Buffer();
-
-  curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,curl_write);    // function that recieves data
-  curl_easy_setopt(handle,CURLOPT_WRITEDATA,b);                 // buffer to write the data to
-  curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEHEADER,b);
-  curl_easy_setopt(handle,CURLOPT_URL,url);                     // url
-  curl_easy_setopt(handle,CURLOPT_POST,1);                  // Set Op. to post
-  curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);                // No Progress Meter
-  curl_easy_setopt(handle,CURLOPT_IPRESOLVE,CURL_IPRESOLVE_V4); // only ipv4
-
-  if((body = JSValToChar(context,argv+1)) == NULL) {            // Convert arg1 to a string
-    free(url);
-    free_Buffer(b);
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  curl_easy_setopt(handle,CURLOPT_POSTFIELDSIZE,strlen(body));
-  curl_easy_setopt(handle,CURLOPT_POSTFIELDS,body);         // Curl wants '\0' terminated, we oblige
-
-  slist = generateCurlHeaders(context,argv+2); // Initialize Headers
-  if(slist != NULL) {
-    curl_easy_setopt(handle,CURLOPT_HTTPHEADER,slist);
-  }
-
-  if((exitcode = curl_easy_perform(handle)) != 0) {             // Perform
-    curl_slist_free_all(slist);
-    free(body);
-    free(url);
-    free_Buffer(b);
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  free(body);
-  free(url);
-  curl_slist_free_all(slist);
-
-  // Convert response back to javascript value and then clean
-  BufferToJSVal(context,b,rval);
-  free_Buffer(b);
-  curl_easy_cleanup(handle);
-
-  JS_MaybeGC(context);
-
-  if( rval == NULL ) {
-    return JS_FALSE;
-  }
-
-  return JS_TRUE;
-}
-
-#define CLEAN \
-  free_Buffer(b); \
-  free_Buffer(b_data->buffer); \
-  free(b_data);                \
-  free(url)
-
-static JSBool
-PutHttp(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
-
-  Buffer b;
-  BufferCount b_data;
-  char *url, *data;
-  size_t charslen, readlen;
-  JSObject* header_obj;
-  CURL* handle;
-  struct curl_slist *slist;
-  int exitcode;
-
-  // Run GC
-  JS_MaybeGC(context);
-
-  // Get URL
-  url = JSValToChar(context,argv);
-
-  // Allocate buffer that will store the get resultant
-  b = init_Buffer();
-
-  // Allocate data buffer and move data into them
-  b_data = (BufferCount)malloc(sizeof(Buffer) + sizeof(int));
-  b_data->buffer = init_Buffer();
-  b_data->pos = 0;
-
-  data = JSValToChar(context,(argv+1));
-  readlen = strlen(data);
-
-
-
-  // TODO: remove strlen
-  append_Buffer(b_data->buffer,data,readlen);
-
-  free(data);
-
-  // Init Curl
-
-  if((handle = curl_easy_init()) == NULL) {
-    CLEAN;
-    return JS_FALSE;
-  }
-
-  // Configuration
-  curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEDATA,b);
-  curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEHEADER,b);
-  curl_easy_setopt(handle,CURLOPT_READFUNCTION,curl_read);
-  curl_easy_setopt(handle,CURLOPT_READDATA,b_data);
-  curl_easy_setopt(handle,CURLOPT_URL,url);
-  curl_easy_setopt(handle,CURLOPT_UPLOAD,1);
-  curl_easy_setopt(handle,CURLOPT_INFILESIZE,readlen);
-
-
-
-  // Curl structure
-  slist = generateCurlHeaders(context,argv+2);
-  if(slist != NULL) {
-    curl_easy_setopt(handle,CURLOPT_HTTPHEADER,slist);
-  }
-
-  // Little Things
-  // No progress meter
-  curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);
-  // Use only ipv4
-  curl_easy_setopt(handle,CURLOPT_IPRESOLVE,CURL_IPRESOLVE_V4);
-
-
-
-  // Perform
-  if((exitcode = curl_easy_perform(handle)) != 0) {
-    if(slist != NULL)
-      curl_slist_free_all(slist);
-    curl_easy_cleanup(handle);
-    CLEAN;
-    return JS_FALSE;
-  }
-
-  if(slist != NULL)
-    curl_slist_free_all(slist);
-  free_Buffer(b_data->buffer);
-  free(b_data);
-  free(url);
-
-  /* Treat the empty string specially */
-  if (b->count == 0) {
-    *rval = JS_GetEmptyStringValue(context);
-    curl_easy_cleanup(handle);
-    free_Buffer(b);
-    return JS_TRUE;
-  }
-
-  /* Shrink the buffer to the real size */
-  shrink_Buffer(b);
-
-  BufferToJSVal(context,b,rval);
-
-  free_Buffer(b);
-
-  if(rval == NULL) {
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  JS_MaybeGC(context);
-
-  curl_easy_cleanup(handle);
-
-  return JS_TRUE;
-}
-
-static JSBool
-DelHttp(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-  Buffer b;
-  char *url;
-  size_t charslen, readlen;
-  char header_name[7];
-  CURL* handle;
-  int exitcode;
-  struct curl_slist *slist = NULL;
-
-  strcpy(header_name,"DELETE");
-
-  // Run GC
-  JS_MaybeGC(context);
-
-  // Get URL
-  url = JSValToChar(context,argv);
-
-  // Allocate buffer that will store the del resultant
-  b = init_Buffer();
-
-  // Init Curl
-  if((handle = curl_easy_init()) == NULL) {
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-
-  // Configuration
-  curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEDATA,b);
-  curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEHEADER,b);
-  curl_easy_setopt(handle,CURLOPT_URL,url);
-  curl_easy_setopt(handle,CURLOPT_CUSTOMREQUEST,header_name);
-  curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);
-  curl_easy_setopt(handle,CURLOPT_IPRESOLVE,CURL_IPRESOLVE_V4);
-
-  // Curl structure
-  if((slist = generateCurlHeaders(context,argv+1)) != NULL) {
-    curl_easy_setopt(handle,CURLOPT_HTTPHEADER,slist);
-  }
-
-  // Perform
-  if((exitcode = curl_easy_perform(handle)) != 0) {
-    if(slist != NULL)
-      curl_slist_free_all(slist);
-    curl_easy_cleanup(handle);
-    free(url);
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-
-  if(slist != NULL)
-    curl_slist_free_all(slist);
-  free(url);
-
-  /* Treat the empty string specially */
-  if (b->count == 0) {
-    *rval = JS_GetEmptyStringValue(context);
-    curl_easy_cleanup(handle);
-    free_Buffer(b);
-    return JS_TRUE;
-  }
-
-  /* Shrink the buffer to the real size */
-  shrink_Buffer(b);
-
-  BufferToJSVal(context,b,rval);
-
-  if(rval == NULL) {
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  JS_MaybeGC(context);
-
-  curl_easy_cleanup(handle);
-
-  return JS_TRUE;
-}
-
-static JSBool
-CopyHttp(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-  Buffer b;
-  char *url;
-  size_t charslen, readlen;
-  char header_name[5];
-  CURL* handle;
-  int exitcode;
-  struct curl_slist *slist = NULL;
-
-  strcpy(header_name,"COPY");
-
-  // Run GC
-  JS_MaybeGC(context);
-
-  // Get URL
-  url = JSValToChar(context,argv);
-
-  // Allocate buffer that will store the del resultant
-  b = init_Buffer();
-
-  // Init Curl
-  if((handle = curl_easy_init()) == NULL) {
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-
-  // Configuration
-  curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEDATA,b);
-  curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEHEADER,b);
-  curl_easy_setopt(handle,CURLOPT_URL,url);
-  curl_easy_setopt(handle,CURLOPT_CUSTOMREQUEST,header_name);
-  curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);
-  curl_easy_setopt(handle,CURLOPT_IPRESOLVE,CURL_IPRESOLVE_V4);
-
-  // Curl structure
-  if((slist = generateCurlHeaders(context,argv+1)) != NULL) {
-    curl_easy_setopt(handle,CURLOPT_HTTPHEADER,slist);
-  }
-
-  // Perform
-  if((exitcode = curl_easy_perform(handle)) != 0) {
-    if(slist != NULL)
-      curl_slist_free_all(slist);
-    curl_easy_cleanup(handle);
-    free(url);
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-
-  if(slist != NULL)
-    curl_slist_free_all(slist);
-  free(url);
-
-  /* Treat the empty string specially */
-  if (b->count == 0) {
-    *rval = JS_GetEmptyStringValue(context);
-    curl_easy_cleanup(handle);
-    free_Buffer(b);
-    return JS_TRUE;
-  }
-
-  /* Shrink the buffer to the real size */
-  shrink_Buffer(b);
-
-  BufferToJSVal(context,b,rval);
-
-  if(rval == NULL) {
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  JS_MaybeGC(context);
-
-  curl_easy_cleanup(handle);
-
-  return JS_TRUE;
-}
-
-static JSBool
-MoveHttp(JSContext *context, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
-  Buffer b;
-  char *url;
-  size_t charslen, readlen;
-  char header_name[5];
-  CURL* handle;
-  struct curl_slist *slist = NULL;
-  int exitcode;
-
-  strcpy(header_name,"MOVE");
-
-  // Run GC
-  JS_MaybeGC(context);
-
-  // Get URL
-  url = JSValToChar(context,argv);
-
-  // Allocate buffer that will store the del resultant
-  b = init_Buffer();
-
-  // Init Curl
-  if((handle = curl_easy_init()) == NULL) {
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-
-  // Configuration
-  curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEDATA,b);
-  curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,curl_write);
-  curl_easy_setopt(handle,CURLOPT_WRITEHEADER,b);
-  curl_easy_setopt(handle,CURLOPT_URL,url);
-  curl_easy_setopt(handle,CURLOPT_CUSTOMREQUEST,header_name);
-  curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);
-  curl_easy_setopt(handle,CURLOPT_IPRESOLVE,CURL_IPRESOLVE_V4);
-
-  // Curl structure
-  if((slist = generateCurlHeaders(context,argv+1)) != NULL) {
-    curl_easy_setopt(handle,CURLOPT_HTTPHEADER,slist);
-  }
-
-  // Perform
-  if((exitcode = curl_easy_perform(handle)) != 0) {
-    if(slist != NULL)
-      curl_slist_free_all(slist);
-    curl_easy_cleanup(handle);
-    free(url);
-    free_Buffer(b);
-    return JS_FALSE;
-  }
-
-  if(slist != NULL)
-    curl_slist_free_all(slist);
-  free(url);
-
-  /* Treat the empty string specially */
-  if (b->count == 0) {
-    *rval = JS_GetEmptyStringValue(context);
-    curl_easy_cleanup(handle);
-    free_Buffer(b);
-    return JS_TRUE;
-  }
-
-  /* Shrink the buffer to the real size */
-  shrink_Buffer(b);
-
-  BufferToJSVal(context,b,rval);
-
-  if(rval == NULL) {
-    curl_easy_cleanup(handle);
-    return JS_FALSE;
-  }
-
-  JS_MaybeGC(context);
-
-  curl_easy_cleanup(handle);
-
-  return JS_TRUE;
-}
-
-int
-main(int argc, const char * argv[]) {
-    JSRuntime *runtime;
-    JSContext *context;
-    JSObject *global;
-
-    runtime = JS_NewRuntime(64L * 1024L * 1024L);
-    if (!runtime)
-        return 1;
-    context = JS_NewContext(runtime, gStackChunkSize);
-    if (!context)
-        return 1;
-    /* FIXME: https://bugzilla.mozilla.org/show_bug.cgi?id=477187 */
-    JS_SetErrorReporter(context, PrintError);
-#ifdef USE_JS_SETOPCB
-    JS_SetContextThread(context);
-    JS_BeginRequest(context);
-    JS_SetOperationCallback(context, OperationCallback);
-#else
-    JS_SetBranchCallback(context, BranchCallback);
-    JS_ToggleOptions(context, JSOPTION_NATIVE_BRANCH_CALLBACK);
-#endif
-    JS_ToggleOptions(context, JSOPTION_XML);
-
-    global = JS_NewObject(context, NULL, NULL, NULL);
-    if (!global)
-        return 1;
-    if (!JS_InitStandardClasses(context, global))
-        return 1;
-    if (!JS_DefineFunction(context, global, "evalcx", EvalInContext, 0, 0)
-     || !JS_DefineFunction(context, global, "gc", GC, 0, 0)
-     || !JS_DefineFunction(context, global, "print", Print, 0, 0)
-     || !JS_DefineFunction(context, global, "quit", Quit, 0, 0)
-     || !JS_DefineFunction(context, global, "readline", ReadLine, 0, 0)
-     || !JS_DefineFunction(context, global, "seal", Seal, 0, 0)
-     || !JS_DefineFunction(context, global, "gethttp", GetHttp, 1, 0)
-     || !JS_DefineFunction(context, global, "headhttp", HeadHttp, 1, 0)
-     || !JS_DefineFunction(context, global, "posthttp", PostHttp, 2, 0)
-     || !JS_DefineFunction(context, global, "puthttp", PutHttp, 2, 0)
-     || !JS_DefineFunction(context, global, "delhttp", DelHttp, 1, 0)
-     || !JS_DefineFunction(context, global, "movehttp", MoveHttp, 1, 0)
-     || !JS_DefineFunction(context, global, "copyhttp", CopyHttp, 1, 0))
-        return 1;
-
-    if (argc != 2) {
-        fprintf(stderr, "incorrect number of arguments\n\n");
-        fprintf(stderr, "usage: %s <scriptfile>\n", argv[0]);
-        return 2;
-    }
-
-    ExecuteScript(context, global, argv[1]);
-
-#ifdef USE_JS_SETOPCB
-    JS_EndRequest(context);
-    JS_ClearContextThread(context);
-#endif
-
-    JS_DestroyContext(context);
-    JS_DestroyRuntime(runtime);
-    JS_ShutDown();
-
-    return gExitCode;
-}
diff --git a/src/couchdb/priv/couch_js/curlhelper.c b/src/couchdb/priv/couch_js/curlhelper.c
deleted file mode 100644
index 738ac64a..00000000
--- a/src/couchdb/priv/couch_js/curlhelper.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
-
-Licensed under the Apache License, Version 2.0 (the "License"); you may not use
-this file except in compliance with the License. You may obtain a copy of the
-License at
-
-  http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software distributed
-under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-CONDITIONS OF ANY KIND, either express or implied. See the License for the
-specific language governing permissions and limitations under the License.
-
-*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include "curlhelper.h"
-
-#define TRUE 1
-#define FALSE 0
-
-Buffer init_Buffer() {
-  Buffer b;
-
-  if((b = (Buffer)malloc(sizeof(char*) + sizeof(int)*2)) == NULL) {
-    return NULL;
-  }
-
-  b->count = 0;
-  b->capacity = 50;
-
-  if(b->data = (char*)malloc(sizeof(char)*b->capacity)) {
-    return b;
-  } else {
-    return NULL;
-  }
-}
-
-void free_Buffer(Buffer b) {
-  if(b == NULL)
-    return;
-  if(b->data != NULL)
-    free(b->data);
-  free(b);
-}
-
-int append_Buffer(Buffer b, char* c, int length) {
-  int capacity_changed;
-  int new_count;
-  int i;
-
-  capacity_changed = FALSE;
-  new_count = b->count + length;
-
-  if(new_count > b->capacity) {
-    capacity_changed = TRUE;
-    b->capacity *= 2;
-  }
-
-  while(new_count > b->capacity) {
-    b->capacity *= 2;
-  }
-
-  if(capacity_changed) {
-    if((b->data = (char*)realloc(b->data,b->capacity)) == NULL) {
-      return FALSE;
-    }
-  }
-
-  for(i = 0;i < length;i++) {
-    *(b->data + b->count + i) = *(c + i);
-  }
-
-  b->count = new_count;
-
-  return TRUE;
-}
-
-char* toString_Buffer(Buffer b) {
-  char* result;
-  int i;
-
-  if((result = (char*)malloc(sizeof(char)*(b->count+1))) == NULL) {
-    return NULL;
-  }
-
-  result[b->count] = '\0';
-
-  for(i = 0;i < b->count;i++) {
-    result[i] = b->data[i];
-  }
-
-  return result;
-}
-
-int print_Buffer(Buffer b) {
-  char* c;
-
-  if((c = toString_Buffer(b)) == NULL) {
-    return FALSE;
-  }
-
-  printf("%s\n",c);
-
-  free(c);
-
-  return TRUE;
-}
-
-
-int shrink_Buffer(Buffer b) {
-  b->capacity = b->count;
-
-  if((b->data = realloc(b->data,sizeof(char)*b->capacity)) == NULL) {
-    return FALSE;
-  } else {
-    return TRUE;
-  }
-}
-
-void copy_Buffer(Buffer b, char* c, int pos, int length) {
-  int i;
-  if((pos + length) > b->count)
-    return;
-
-  for(i = 0; i < length;i++) {
-    *(c + i) = *(b->data + pos + i);
-  }
-}
-
-
-List init_List(int capacity) {
-  List l;
-  if(capacity < 5)
-    capacity = 5;
-
-  if((l = (List)malloc(sizeof(void**)+sizeof(int)*2)) == NULL) {
-    return NULL;
-  }
-
-  l->count = 0;
-  l->capacity = capacity;
-
-  if((l->elements = (void**)malloc(sizeof(void*)*l->capacity)) == NULL) {
-    return NULL;
-  }
-
-  return l;
-}
-
-void free_List(List l) {
-  if(l == NULL)
-    return;
-  if(l->elements != NULL)
-    free(l->elements);
-  free(l);
-}
-
-void* get_List(List l, int pos) {
-  if(pos > (l->count - 1)) {
-    return NULL;
-  }
-  return *(l->elements + pos);
-}
-
-void* pull_List(List l) {
-  void* r = *(l->elements);
-
-  int i;
-
-  for(i = 1; i < (l->count-1);i++) {
-    l->elements[i] = l->elements[i+1];
-  }
-  l->count -= 1;
-  return r;
-}
-
-int set_List(List l, int pos, void* ptr) {
-  if(pos > (l->count - 1)) {
-    return FALSE;
-  }
-
-  *(l->elements + pos) = ptr;
-
-  return TRUE;
-}
-
-int append_List(List l, void* ptr, int length) {
-  int capacity_changed;
-  int new_count;
-  int i;
-
-  capacity_changed = FALSE;
-  new_count = l->count + length;
-
-  if(new_count > l->capacity) {
-    capacity_changed = TRUE;
-    l->capacity *= 2;
-  }
-
-  while(new_count > l->capacity) {
-    l->capacity *= 2;
-  }
-
-  if(capacity_changed) {
-    if((l->elements = (void*)realloc(l->elements,l->capacity)) == NULL) {
-      return FALSE;
-    }
-  }
-
-  for(i = 0;i < length;i++) {
-    *(l->elements + l->count + i) = (void *)((char *)ptr + i);
-  }
-
-  l->count = new_count;
-
-  return TRUE;
-}
-
-int push_List(List l, void* ptr, int length) {
-  int capacity_changed;
-  int new_count;
-  int i;
-
-  capacity_changed = FALSE;
-  new_count = l->count + length;
-
-  if(new_count > l->capacity) {
-    capacity_changed = TRUE;
-    l->capacity *= 2;
-  }
-
-  while(new_count > l->capacity) {
-    l->capacity *= 2;
-  }
-
-  if(capacity_changed) {
-    if((l->elements = (void*)realloc(l->elements,l->capacity)) == NULL) {
-      return FALSE;
-    }
-  }
-
-  for(i = 0;i < length;i++) {
-    *(l->elements + l->count + i) = *(l->elements + i);
-  }
-
-  for(i = 0;i < length;i++) {
-    *(l->elements + i) = (void *)((char *)ptr+i);
-  }
-
-  l->count = new_count;
-
-  return TRUE;
-}
diff --git a/src/couchdb/priv/couch_js/curlhelper.h b/src/couchdb/priv/couch_js/curlhelper.h
deleted file mode 100644
index 098bdf02..00000000
--- a/src/couchdb/priv/couch_js/curlhelper.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
-
-Licensed under the Apache License, Version 2.0 (the "License"); you may not use
-this file except in compliance with the License. You may obtain a copy of the
-License at
-
-  http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software distributed
-under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-CONDITIONS OF ANY KIND, either express or implied. See the License for the
-specific language governing permissions and limitations under the License.
-
-*/
-
-#ifndef CURLHELPER_H
-#define CURLHELPER_H
-
-typedef struct {
-  char* data;
-  int count;
-  int capacity;
-}* Buffer;
-
-Buffer init_Buffer();
-void free_Buffer(Buffer b);
-int append_Buffer(Buffer b,char* c,int length);
-// WARNING USES MALLOC DONT FORGET TO FREE
-char* toString_Buffer(Buffer b);
-int print_Buffer(Buffer b);
-int shrink_Buffer(Buffer b);
-void copy_Buffer(Buffer b, char* c, int pos, int length);
-
-
-typedef struct {
-  void** elements;
-  int count;
-  int capacity;
-}* List;
-
-List init_List(int capacity);
-void free_List(List l);
-void* get_List(List l, int pos);
-void* pull_List(List l);
-int set_List(List l, int pos, void* ptr);
-int append_List(List l, void* ptr, int length);
-int push_List(List l, void* ptr, int length);
-
-#endif
diff --git a/src/couchdb/priv/couch_js/http.c b/src/couchdb/priv/couch_js/http.c
new file mode 100644
index 00000000..6ee337af
--- /dev/null
+++ b/src/couchdb/priv/couch_js/http.c
@@ -0,0 +1,647 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include <stdlib.h>
+#include <string.h>
+#include <jsapi.h>
+#include <curl/curl.h>
+
+#include "utf8.h"
+
+typedef struct curl_slist CurlHeaders;
+
+typedef struct {
+    int             method;
+    char*           url;
+    CurlHeaders*    req_headers;
+    jsint           last_status;
+} HTTPData;
+
+char* METHODS[] = {"GET", "HEAD", "POST", "PUT", "DELETE", "COPY", NULL};
+
+#define GET     0
+#define HEAD    1
+#define POST    2
+#define PUT     3
+#define DELETE  4
+#define COPY    5
+
+static JSBool
+go(JSContext* cx, JSObject* obj, HTTPData* http, char* body, size_t blen);
+
+static JSBool
+constructor(JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval)
+{
+    HTTPData* http = NULL;
+    JSBool ret = JS_FALSE;
+
+    http = (HTTPData*) malloc(sizeof(HTTPData));
+    if(!http)
+    {
+        JS_ReportError(cx, "Failed to create CouchHTTP instance.");
+        goto error;
+    }
+
+    http->method = -1;
+    http->url = NULL;
+    http->req_headers = NULL;
+    http->last_status = -1;
+
+    if(!JS_SetPrivate(cx, obj, http))
+    {
+        JS_ReportError(cx, "Failed to set private CouchHTTP data.");
+        goto error;
+    }
+    
+    ret = JS_TRUE;
+    goto success;
+
+error:
+    if(http) free(http);
+
+success:
+    return ret;
+}
+
+static void
+destructor(JSContext* cx, JSObject* obj)
+{
+    HTTPData* http = (HTTPData*) JS_GetPrivate(cx, obj);
+    if(!http)
+    {
+        fprintf(stderr, "Unable to destroy invalid CouchHTTP instance.\n");
+    }
+    else
+    {
+        if(http->url) free(http->url);
+        if(http->req_headers) curl_slist_free_all(http->req_headers);
+        free(http);
+    }
+}
+
+static JSBool
+open(JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval)
+{    
+    HTTPData* http = (HTTPData*) JS_GetPrivate(cx, obj);
+    char* method = NULL;
+    char* url = NULL;
+    JSBool ret = JS_FALSE;
+    int methid;
+
+    if(!http)
+    {
+        JS_ReportError(cx, "Invalid CouchHTTP instance.");
+        goto done;
+    }
+
+    if(argv[0] == JSVAL_VOID)
+    {
+        JS_ReportError(cx, "You must specify a method.");
+        goto done;
+    }
+
+    method = enc_string(cx, argv[0], NULL);
+    if(!method)
+    {
+        JS_ReportError(cx, "Failed to encode method.");
+        goto done;
+    }
+    
+    for(methid = 0; METHODS[methid] != NULL; methid++)
+    {
+        if(strcasecmp(METHODS[methid], method) == 0) break;
+    }
+    
+    if(methid > COPY)
+    {
+        JS_ReportError(cx, "Invalid method specified.");
+        goto done;
+    }
+
+    http->method = methid;
+
+    if(argv[1] == JSVAL_VOID)
+    {
+        JS_ReportError(cx, "You must specify a URL.");
+        goto done;
+    }
+
+    if(http->url)
+    {
+        free(http->url);
+        http->url = NULL;
+    }
+
+    http->url = enc_string(cx, argv[1], NULL);
+    if(!http->url)
+    {
+        JS_ReportError(cx, "Failed to encode URL.");
+        goto done;
+    }
+    
+    if(argv[2] != JSVAL_VOID && argv[2] != JSVAL_FALSE)
+    {
+        JS_ReportError(cx, "Synchronous flag must be false if specified.");
+        goto done;
+    }
+    
+    if(http->req_headers)
+    {
+        curl_slist_free_all(http->req_headers);
+        http->req_headers = NULL;
+    }
+    
+    // Disable Expect: 100-continue
+    http->req_headers = curl_slist_append(http->req_headers, "Expect:");
+
+    ret = JS_TRUE;
+
+done:
+    if(method) free(method);
+    return ret;
+}
+
+static JSBool
+setheader(JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval)
+{    
+    HTTPData* http = (HTTPData*) JS_GetPrivate(cx, obj);
+    char* keystr = NULL;
+    char* valstr = NULL;
+    char* hdrbuf = NULL;
+    size_t hdrlen = -1;
+    JSBool ret = JS_FALSE;
+
+    if(!http)
+    {
+        JS_ReportError(cx, "Invalid CouchHTTP instance.");
+        goto done;
+    }
+
+    if(argv[0] == JSVAL_VOID)
+    {
+        JS_ReportError(cx, "You must speciy a header name.");
+        goto done;
+    }
+
+    keystr = enc_string(cx, argv[0], NULL);
+    if(!keystr)
+    {
+        JS_ReportError(cx, "Failed to encode header name.");
+        goto done;
+    }
+    
+    if(argv[1] == JSVAL_VOID)
+    {
+        JS_ReportError(cx, "You must specify a header value.");
+        goto done;
+    }
+    
+    valstr = enc_string(cx, argv[1], NULL);
+    if(!valstr)
+    {
+        JS_ReportError(cx, "Failed to encode header value.");
+        goto done;
+    }
+    
+    hdrlen = strlen(keystr) + strlen(valstr) + 3;
+    hdrbuf = (char*) malloc(hdrlen * sizeof(char));
+    if(!hdrbuf)
+    {
+        JS_ReportError(cx, "Failed to allocate header buffer.");
+        goto done;
+    }
+    
+    snprintf(hdrbuf, hdrlen, "%s: %s", keystr, valstr);
+    http->req_headers = curl_slist_append(http->req_headers, hdrbuf);
+
+    ret = JS_TRUE;
+
+done:
+    if(keystr) free(keystr);
+    if(valstr) free(valstr);
+    if(hdrbuf) free(hdrbuf);
+
+    return ret;
+}
+
+static JSBool
+sendreq(JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval)
+{
+    HTTPData* http = (HTTPData*) JS_GetPrivate(cx, obj);
+    char* body = NULL;
+    size_t bodylen = 0;
+    JSBool ret = JS_FALSE;
+    
+    if(!http)
+    {
+        JS_ReportError(cx, "Invalid CouchHTTP instance.");
+        goto done;
+    }
+
+    if(argv[0] != JSVAL_VOID && argv[0] != JS_GetEmptyStringValue(cx))
+    {
+        body = enc_string(cx, argv[0], &bodylen);
+        if(!body)
+        {
+            JS_ReportError(cx, "Failed to encode body.");
+            goto done;
+        }
+    }
+
+    ret = go(cx, obj, http, body, bodylen);
+
+done:
+    if(body) free(body);
+    return ret;
+}
+
+static JSBool
+status(JSContext* cx, JSObject* obj, jsval idval, jsval* vp)
+{
+    HTTPData* http = (HTTPData*) JS_GetPrivate(cx, obj);
+    
+    if(!http)
+    {
+        JS_ReportError(cx, "Invalid CouchHTTP instance.");
+        return JS_FALSE;
+    }
+    
+    if(INT_FITS_IN_JSVAL(http->last_status))
+    {
+        *vp = INT_TO_JSVAL(http->last_status);
+        return JS_TRUE;
+    }
+    else
+    {
+        JS_ReportError(cx, "INTERNAL: Invalid last_status");
+        return JS_FALSE;
+    }
+}
+
+JSClass CouchHTTPClass = {
+    "CouchHTTP",
+    JSCLASS_HAS_PRIVATE
+        | JSCLASS_CONSTRUCT_PROTOTYPE
+        | JSCLASS_HAS_RESERVED_SLOTS(2),
+    JS_PropertyStub,
+    JS_PropertyStub,
+    JS_PropertyStub,
+    JS_PropertyStub,
+    JS_EnumerateStub,
+    JS_ResolveStub,
+    JS_ConvertStub,
+    destructor,
+    JSCLASS_NO_OPTIONAL_MEMBERS
+};
+
+JSPropertySpec CouchHTTPProperties[] = {
+    {"status", 0, JSPROP_READONLY, status, NULL},
+    {0, 0, 0, 0, 0}
+};
+
+JSFunctionSpec CouchHTTPFunctions[] = {
+    {"_open", open, 3, 0, 0},
+    {"_setRequestHeader", setheader, 2, 0, 0},
+    {"_send", sendreq, 1, 0, 0},
+    {0, 0, 0, 0, 0}
+};
+
+JSObject*
+install_http(JSContext* cx, JSObject* glbl)
+{
+    JSObject* klass = NULL;
+    HTTPData* http = NULL;
+
+    klass = JS_InitClass(
+        cx,
+        glbl,
+        NULL,
+        &CouchHTTPClass,
+        constructor,
+        0,
+        CouchHTTPProperties,
+        CouchHTTPFunctions,
+        NULL,
+        NULL
+    );
+
+    if(!klass)
+    {
+        fprintf(stderr, "Failed to initialize CouchHTTP class.\n");
+        return NULL;
+    }
+    
+    return klass;
+}
+
+
+// Curl Helpers
+
+typedef struct {
+    HTTPData*   http;
+    JSContext*  cx;
+    JSObject*   resp_headers;
+    char*       sendbuf;
+    size_t      sendlen;
+    size_t      sent;
+    char*       recvbuf;
+    size_t      recvlen;
+    size_t      read;
+} CurlState;
+
+/*
+ * I really hate doing this but this doesn't have to be
+ * uber awesome, it just has to work.
+ */
+CURL*       HANDLE = NULL;
+char        ERRBUF[CURL_ERROR_SIZE];
+
+static size_t send_body(void *ptr, size_t size, size_t nmem, void *data);
+static int seek_body(void *ptr, curl_off_t offset, int origin);
+static size_t recv_body(void *ptr, size_t size, size_t nmem, void *data);
+static size_t recv_header(void *ptr, size_t size, size_t nmem, void *data);
+
+static JSBool
+go(JSContext* cx, JSObject* obj, HTTPData* http, char* body, size_t bodylen)
+{
+    CurlState state;
+    JSString* jsbody;
+    JSBool ret = JS_FALSE;
+    jsval tmp;
+    
+    state.cx = cx;
+    state.http = http;
+    
+    state.sendbuf = body;
+    state.sendlen = bodylen;
+    state.sent = 0;
+
+    state.recvbuf = NULL;
+    state.recvlen = 0;
+    state.read = 0;
+
+    if(HANDLE == NULL)
+    {
+        HANDLE = curl_easy_init();
+        curl_easy_setopt(HANDLE, CURLOPT_READFUNCTION, send_body);
+        curl_easy_setopt(HANDLE, CURLOPT_SEEKFUNCTION, seek_body);
+        curl_easy_setopt(HANDLE, CURLOPT_HEADERFUNCTION, recv_header);
+        curl_easy_setopt(HANDLE, CURLOPT_WRITEFUNCTION, recv_body);
+        curl_easy_setopt(HANDLE, CURLOPT_NOPROGRESS, 1);
+        curl_easy_setopt(HANDLE, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+        curl_easy_setopt(HANDLE, CURLOPT_ERRORBUFFER, ERRBUF);
+        curl_easy_setopt(HANDLE, CURLOPT_COOKIEFILE, "");
+        curl_easy_setopt(HANDLE, CURLOPT_USERAGENT, "CouchHTTP Client - Relax");
+    }
+    
+    if(!HANDLE)
+    {
+        JS_ReportError(cx, "Failed to initialize cURL handle.");
+        goto error;
+    }
+
+    if(http->method < 0 || http->method > COPY)
+    {
+        JS_ReportError(cx, "INTERNAL: Unknown method.");
+        goto error;
+    }
+
+    curl_easy_setopt(HANDLE, CURLOPT_CUSTOMREQUEST, METHODS[http->method]);
+    curl_easy_setopt(HANDLE, CURLOPT_NOBODY, 0);
+    curl_easy_setopt(HANDLE, CURLOPT_FOLLOWLOCATION, 1);
+    curl_easy_setopt(HANDLE, CURLOPT_UPLOAD, 0);
+    
+    if(http->method == HEAD)
+    {
+        curl_easy_setopt(HANDLE, CURLOPT_NOBODY, 1);
+        curl_easy_setopt(HANDLE, CURLOPT_FOLLOWLOCATION, 0);
+    }
+    else if(http->method == POST || http->method == PUT)
+    {
+        curl_easy_setopt(HANDLE, CURLOPT_UPLOAD, 1);
+        curl_easy_setopt(HANDLE, CURLOPT_FOLLOWLOCATION, 0);
+    }
+    
+    if(body && bodylen)
+    {
+        curl_easy_setopt(HANDLE, CURLOPT_INFILESIZE, bodylen);        
+    }
+    else
+    {
+        curl_easy_setopt(HANDLE, CURLOPT_INFILESIZE, 0);
+    }
+
+    //curl_easy_setopt(HANDLE, CURLOPT_VERBOSE, 1);
+
+    curl_easy_setopt(HANDLE, CURLOPT_URL, http->url);
+    curl_easy_setopt(HANDLE, CURLOPT_HTTPHEADER, http->req_headers);
+    curl_easy_setopt(HANDLE, CURLOPT_READDATA, &state);
+    curl_easy_setopt(HANDLE, CURLOPT_SEEKDATA, &state);
+    curl_easy_setopt(HANDLE, CURLOPT_WRITEHEADER, &state);
+    curl_easy_setopt(HANDLE, CURLOPT_WRITEDATA, &state);
+
+    if(curl_easy_perform(HANDLE) != 0)
+    {
+        JS_ReportError(cx, "Failed to execute HTTP request: %s", ERRBUF);
+        goto error;
+    }
+    
+    if(!state.resp_headers)
+    {
+        JS_ReportError(cx, "Failed to recieve HTTP headers.");
+        goto error;
+    }
+
+    tmp = OBJECT_TO_JSVAL(state.resp_headers);
+    if(!JS_DefineProperty(
+        cx,
+        obj,
+        "_headers",
+        tmp,
+        NULL,
+        NULL,
+        JSPROP_READONLY
+    ))
+    {
+        JS_ReportError(cx, "INTERNAL: Failed to set response headers.");
+        goto error;
+    }
+    
+    if(state.recvbuf) // Is good enough?
+    {
+        state.recvbuf[state.read] = '\0';
+        jsbody = dec_string(cx, state.recvbuf, state.read+1);
+        if(!jsbody)
+        {
+            // This is so dirty its not even almost funny. I'm ignoring
+            // all sorts of content-types and character sets and just falling
+            // back to doing a chop job when something doesn't decode as UTF-8
+            // which is pretty sad. But, if you hate me for it, then feel free
+            // to write a patch that does the proper content-type parsing and
+            // actually respects charsets as returned in headers.
+            jsbody = JS_NewString(cx, state.recvbuf, state.read);
+            if(!jsbody) {
+                JS_ReportError(cx, "INTERNAL: Failed to decode body.");
+                goto error;
+            }
+        }
+        tmp = STRING_TO_JSVAL(jsbody);
+    }
+    else
+    {
+        tmp = JS_GetEmptyStringValue(cx);
+    }
+    
+    if(!JS_DefineProperty(
+        cx,
+        obj,
+        "responseText",
+        tmp,
+        NULL,
+        NULL,
+        JSPROP_READONLY
+    ))
+    {
+        JS_ReportError(cx, "INTERNAL: Failed to set responseText.");
+        goto error;
+    }
+    
+    ret = JS_TRUE;
+    goto success;
+
+error:
+    if(state.recvbuf) JS_free(cx, state.recvbuf);
+
+success:    
+    return ret;
+}
+
+static size_t
+send_body(void *ptr, size_t size, size_t nmem, void *data)
+{
+    CurlState* state = (CurlState*) data;
+    size_t length = size * nmem;
+    size_t towrite = state->sendlen - state->sent;
+    if(towrite == 0)
+    {
+        return 0;
+    }
+
+    if(length < towrite) towrite = length;
+
+    //fprintf(stderr, "%lu %lu %lu %lu\n", state->bodyused, state->bodyread, length, towrite);
+
+    memcpy(ptr, state->sendbuf + state->sent, towrite);
+    state->sent += towrite;
+
+    return towrite;
+}
+
+static int
+seek_body(void* ptr, curl_off_t offset, int origin)
+{
+    CurlState* state = (CurlState*) ptr;
+    if(origin != SEEK_SET) return -1;
+
+    state->sent = (size_t) offset;
+    return (int) state->sent;
+}
+
+static size_t
+recv_header(void *ptr, size_t size, size_t nmem, void *data)
+{
+    CurlState* state = (CurlState*) data;
+    char code[4];
+    char* header = (char*) ptr;
+    size_t length = size * nmem;
+    size_t index = 0;
+    JSString* hdr = NULL;
+    jsuint hdrlen;
+    jsval hdrval;
+    
+    if(length > 7 && strncasecmp(header, "HTTP/1.", 7) == 0)
+    {
+        if(length < 12)
+        {
+            return CURLE_WRITE_ERROR;
+        }
+
+        memcpy(code, header+9, 3*sizeof(char));
+        code[3] = '\0';
+        state->http->last_status = atoi(code);
+
+        state->resp_headers = JS_NewArrayObject(state->cx, 0, NULL);
+        if(!state->resp_headers)
+        {
+            return CURLE_WRITE_ERROR;
+        }
+
+        return length;
+    }
+
+    // We get a notice at the \r\n\r\n after headers.
+    if(length <= 2)
+    {
+        return length;
+    }
+
+    // Append the new header to our array.
+    hdr = dec_string(state->cx, header, length);
+    if(!hdr)
+    {
+        return CURLE_WRITE_ERROR;
+    }
+
+    if(!JS_GetArrayLength(state->cx, state->resp_headers, &hdrlen))
+    {
+        return CURLE_WRITE_ERROR;
+    }
+
+    hdrval = STRING_TO_JSVAL(hdr);
+    if(!JS_SetElement(state->cx, state->resp_headers, hdrlen, &hdrval))
+    {
+        return CURLE_WRITE_ERROR;
+    }
+
+    return length;
+}
+
+static size_t
+recv_body(void *ptr, size_t size, size_t nmem, void *data)
+{
+    CurlState* state = (CurlState*) data;
+    size_t length = size * nmem;
+    char* tmp = NULL;
+    
+    if(!state->recvbuf)
+    {
+        state->recvlen = 4096;
+        state->read = 0;
+        state->recvbuf = JS_malloc(state->cx, state->recvlen);
+    }
+    
+    if(!state->recvbuf)
+    {
+        return CURLE_WRITE_ERROR;
+    }
+
+    // +1 so we can add '\0' back up in the go function.
+    while(length+1 > state->recvlen - state->read) state->recvlen *= 2;
+    tmp = JS_realloc(state->cx, state->recvbuf, state->recvlen);
+    if(!tmp) return CURLE_WRITE_ERROR;
+    state->recvbuf = tmp;
+   
+    memcpy(state->recvbuf + state->read, ptr, length);
+    state->read += length;
+    return length;
+}
+ 
diff --git a/src/couchdb/priv/couch_js/http.h b/src/couchdb/priv/couch_js/http.h
new file mode 100644
index 00000000..b5f8c70f
--- /dev/null
+++ b/src/couchdb/priv/couch_js/http.h
@@ -0,0 +1,18 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#ifndef COUCH_JS_HTTP_H
+#define COUCH_JS_HTTP_H
+
+JSObject* install_http(JSContext* cx, JSObject* global);
+
+#endif
\ No newline at end of file
diff --git a/src/couchdb/priv/couch_js/main.c b/src/couchdb/priv/couch_js/main.c
new file mode 100644
index 00000000..ee0e42c9
--- /dev/null
+++ b/src/couchdb/priv/couch_js/main.c
@@ -0,0 +1,324 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <jsapi.h>
+#include "config.h"
+
+#include "utf8.h"
+#include "http.h"
+
+int gExitCode = 0;
+
+#ifdef JS_THREADSAFE
+#define SETUP_REQUEST(cx) \
+    JS_SetContextThread(cx); \
+    JS_BeginRequest(cx);
+#define FINISH_REQUEST(cx) \
+    JS_EndRequest(cx); \
+    JS_ClearContextThread(cx);
+#else
+#define SETUP_REQUEST(cx)
+#define FINISH_REQUEST(cx)
+#endif
+
+static JSBool
+evalcx(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
+{
+    JSString *str;
+    JSObject *sandbox;
+    JSContext *subcx;
+    const jschar *src;
+    size_t srclen;
+    JSBool ret = JS_FALSE;
+    jsval v;
+
+    sandbox = NULL;
+    if(!JS_ConvertArguments(cx, argc, argv, "S / o", &str, &sandbox))
+    {
+        return JS_FALSE;
+    }
+
+    subcx = JS_NewContext(JS_GetRuntime(cx), 8L * 1024L);
+    if(!subcx)
+    {
+        JS_ReportOutOfMemory(cx);
+        return JS_FALSE;
+    }
+
+    SETUP_REQUEST(subcx);
+
+    src = JS_GetStringChars(str);
+    srclen = JS_GetStringLength(str);
+
+    if(!sandbox)
+    {
+        sandbox = JS_NewObject(subcx, NULL, NULL, NULL);
+        if(!sandbox || !JS_InitStandardClasses(subcx, sandbox)) goto done;
+    }
+
+    if(srclen == 0)
+    {
+        *rval = OBJECT_TO_JSVAL(sandbox);
+    }
+    else
+    {
+        JS_EvaluateUCScript(subcx, sandbox, src, srclen, NULL, 0, rval);
+    }
+    
+    ret = JS_TRUE;
+
+done:
+    FINISH_REQUEST(subcx);
+    JS_DestroyContext(subcx);
+    return ret;
+}
+
+static JSBool
+gc(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
+{
+    JS_GC(cx);
+    return JS_TRUE;
+}
+
+static JSBool
+print(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
+{
+    uintN i;
+    char *bytes;
+
+    for(i = 0; i < argc; i++)
+    {
+        bytes = enc_string(cx, argv[i], NULL);
+        if(!bytes) return JS_FALSE;
+
+        fprintf(stdout, "%s%s", i ? " " : "", bytes);
+        JS_free(cx, bytes);
+    }
+
+    fputc('\n', stdout);
+    fflush(stdout);
+    return JS_TRUE;
+}
+
+static JSBool
+quit(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
+{
+    JS_ConvertArguments(cx, argc, argv, "/ i", &gExitCode);
+    return JS_FALSE;
+}
+
+static char*
+readfp(JSContext* cx, FILE* fp, size_t* buflen)
+{
+    char* bytes = NULL;
+    char* tmp = NULL;
+    size_t used = 0;
+    size_t byteslen = 256;
+    size_t readlen = 0;
+
+    bytes = JS_malloc(cx, byteslen);
+    if(bytes == NULL) return NULL;
+    
+    while((readlen = js_fgets(bytes+used, byteslen-used, stdin)) > 0)
+    {
+        used += readlen;
+
+        if(bytes[used-1] == '\n')
+        {
+            bytes[used-1] = '\0';
+            break;
+        }
+
+        // Double our buffer and read more.
+        byteslen *= 2;
+        tmp = JS_realloc(cx, bytes, byteslen);
+        if(!tmp)
+        {
+            JS_free(cx, bytes);
+            return NULL;
+        }
+        bytes = tmp;
+    }
+
+    *buflen = used;
+    return bytes;
+}
+
+static JSBool
+readline(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
+    jschar *chars;
+    JSString *str;
+    char* bytes;
+    char* tmp;
+    size_t byteslen;
+
+    /* GC Occasionally */
+    JS_MaybeGC(cx);
+
+    bytes = readfp(cx, stdin, &byteslen);
+    if(!bytes) return JS_FALSE;
+    
+    /* Treat the empty string specially */
+    if(byteslen == 0)
+    {
+        *rval = JS_GetEmptyStringValue(cx);
+        JS_free(cx, bytes);
+        return JS_TRUE;
+    }
+
+    /* Shrink the buffer to the real size */
+    tmp = JS_realloc(cx, bytes, byteslen);
+    if(!tmp)
+    {
+        JS_free(cx, bytes);
+        return JS_FALSE;
+    }
+    bytes = tmp;
+    
+    str = dec_string(cx, bytes, byteslen);
+    JS_free(cx, bytes);
+
+    if(!str) return JS_FALSE;
+
+    *rval = STRING_TO_JSVAL(str);
+
+    return JS_TRUE;
+}
+
+static JSBool
+seal(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
+    JSObject *target;
+    JSBool deep = JS_FALSE;
+
+    if (!JS_ConvertArguments(cx, argc, argv, "o/b", &target, &deep))
+        return JS_FALSE;
+    if (!target)
+        return JS_TRUE;
+    return JS_SealObject(cx, target, deep);
+}
+
+static void
+execute_script(JSContext *cx, JSObject *obj, const char *filename) {
+    FILE *file;
+    JSScript *script;
+    jsval result;
+
+    if(!filename || strcmp(filename, "-") == 0)
+    {
+        file = stdin;
+    }
+    else
+    {
+        file = fopen(filename, "r");
+        if (!file)
+        {
+            fprintf(stderr, "could not open script file %s\n", filename);
+            gExitCode = 1;
+            return;
+        }
+    }
+
+    script = JS_CompileFileHandle(cx, obj, filename, file);
+    if(script)
+    {
+        JS_ExecuteScript(cx, obj, script, &result);
+        JS_DestroyScript(cx, script);
+    }
+}
+
+static void
+printerror(JSContext *cx, const char *mesg, JSErrorReport *report)
+{
+    if(!report || !JSREPORT_IS_WARNING(report->flags))
+    {
+        fprintf(stderr, "%s\n", mesg);
+    }
+}
+
+static JSFunctionSpec global_functions[] = {
+    {"evalcx", evalcx, 0, 0, 0},
+    {"gc", gc, 0, 0, 0},
+    {"print", print, 0, 0, 0},
+    {"quit", quit, 0, 0, 0},
+    {"readline", readline, 0, 0, 0},
+    {"seal", seal, 0, 0, 0},
+    {0, 0, 0, 0, 0}
+};
+
+static JSClass global_class = {
+    "GlobalClass",
+    JSCLASS_GLOBAL_FLAGS,
+    JS_PropertyStub,
+    JS_PropertyStub,
+    JS_PropertyStub,
+    JS_PropertyStub,
+    JS_EnumerateStub,
+    JS_ResolveStub,
+    JS_ConvertStub,
+    JS_FinalizeStub,
+    JSCLASS_NO_OPTIONAL_MEMBERS
+};
+
+int
+main(int argc, const char * argv[])
+{
+    JSRuntime* rt = NULL;
+    JSContext* cx = NULL;
+    JSObject *global = NULL;
+    int i = 0;
+    
+    rt = JS_NewRuntime(64L * 1024L * 1024L);
+    if (!rt) return 1;
+
+    cx = JS_NewContext(rt, 8L * 1024L);
+    if (!cx) return 1;
+
+    JS_SetErrorReporter(cx, printerror);
+    JS_ToggleOptions(cx, JSOPTION_XML);
+    
+    SETUP_REQUEST(cx);
+
+    global = JS_NewObject(cx, &global_class, NULL, NULL);
+    if (!global) return 1;
+    if (!JS_InitStandardClasses(cx, global)) return 1;
+
+    if(!JS_DefineFunctions(cx, global, global_functions))
+    {
+        return 1;
+    }
+
+    if(!install_http(cx, global))
+    {
+        return 1;
+    }
+    
+    JS_SetGlobalObject(cx, global);
+
+    if(argc != 2) {
+        fprintf(stderr, "incorrect number of arguments\n\n");
+        fprintf(stderr, "usage: %s <scriptfile>\n", argv[0]);
+        return 2;
+    }
+
+    execute_script(cx, global, argv[1]);
+
+    FINISH_REQUEST(cx);
+
+    JS_DestroyContext(cx);
+    JS_DestroyRuntime(rt);
+    JS_ShutDown();
+
+    return gExitCode;
+}
diff --git a/src/couchdb/priv/couch_js/utf8.c b/src/couchdb/priv/couch_js/utf8.c
new file mode 100644
index 00000000..d6d6dd2b
--- /dev/null
+++ b/src/couchdb/priv/couch_js/utf8.c
@@ -0,0 +1,286 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include <jsapi.h>
+
+static inline int
+enc_char(uint8 *utf8Buffer, uint32 ucs4Char)
+{
+    int utf8Length = 1;
+
+    if (ucs4Char < 0x80)
+    {
+        *utf8Buffer = (uint8)ucs4Char;
+    }
+    else
+    {
+        int i;
+        uint32 a = ucs4Char >> 11;
+        utf8Length = 2;
+        while(a)
+        {
+            a >>= 5;
+            utf8Length++;
+        }
+        i = utf8Length;
+        while(--i)
+        {
+            utf8Buffer[i] = (uint8)((ucs4Char & 0x3F) | 0x80);
+            ucs4Char >>= 6;
+        }
+        *utf8Buffer = (uint8)(0x100 - (1 << (8-utf8Length)) + ucs4Char);
+    }
+
+    return utf8Length;
+}
+
+static JSBool
+enc_charbuf(const jschar* src, size_t srclen, char* dst, size_t* dstlenp)
+{
+    size_t i;
+    size_t utf8Len;
+    size_t dstlen = *dstlenp;
+    size_t origDstlen = dstlen;
+    jschar c;
+    jschar c2;
+    uint32 v;
+    uint8 utf8buf[6];
+
+    if(!dst)
+    {
+        dstlen = origDstlen = (size_t) -1;
+    }
+
+    while(srclen)
+    {
+        c = *src++;
+        srclen--;
+
+        if((c >= 0xDC00) && (c <= 0xDFFF)) goto bad_surrogate;
+        
+        if(c < 0xD800 || c > 0xDBFF)
+        {
+            v = c;
+        }
+        else
+        {
+            if(srclen < 1) goto buffer_too_small;
+            c2 = *src++;
+            srclen--;
+            if ((c2 < 0xDC00) || (c2 > 0xDFFF))
+            {
+                c = c2;
+                goto bad_surrogate;
+            }
+            v = ((c - 0xD800) << 10) + (c2 - 0xDC00) + 0x10000;
+        }
+        if(v < 0x0080)
+        {
+            /* no encoding necessary - performance hack */
+            if(!dstlen) goto buffer_too_small;
+            if(dst) *dst++ = (char) v;
+            utf8Len = 1;
+        }
+        else
+        {
+            utf8Len = enc_char(utf8buf, v);
+            if(utf8Len > dstlen) goto buffer_too_small;
+            if(dst)
+            {
+                for (i = 0; i < utf8Len; i++)
+                {
+                    *dst++ = (char) utf8buf[i];
+                }
+            }
+        }
+        dstlen -= utf8Len;
+    }
+    
+    *dstlenp = (origDstlen - dstlen);
+    return JS_TRUE;
+
+bad_surrogate:
+    *dstlenp = (origDstlen - dstlen);
+    return JS_FALSE;
+
+buffer_too_small:
+    *dstlenp = (origDstlen - dstlen);
+    return JS_FALSE;
+}
+
+char*
+enc_string(JSContext* cx, jsval arg, size_t* buflen)
+{
+    JSString* str = NULL;
+    jschar* src = NULL;
+    char* bytes = NULL;
+    size_t srclen = 0;
+    size_t byteslen = 0;
+    
+    str = JS_ValueToString(cx, arg);
+    if(!str) goto error;
+
+    src = JS_GetStringChars(str);
+    srclen = JS_GetStringLength(str);
+
+    if(!enc_charbuf(src, srclen, NULL, &byteslen)) goto error;
+    
+    bytes = JS_malloc(cx, (byteslen) + 1);
+    bytes[byteslen] = 0;
+    
+    if(!enc_charbuf(src, srclen, bytes, &byteslen)) goto error;
+
+    if(buflen) *buflen = byteslen;
+    goto success;
+
+error:
+    if(bytes != NULL) JS_free(cx, bytes);
+    bytes = NULL;
+
+success:
+    return bytes;
+}
+
+static inline uint32
+dec_char(const uint8 *utf8Buffer, int utf8Length)
+{
+    uint32 ucs4Char;
+    uint32 minucs4Char;
+
+    /* from Unicode 3.1, non-shortest form is illegal */
+    static const uint32 minucs4Table[] = {
+        0x00000080, 0x00000800, 0x0001000, 0x0020000, 0x0400000
+    };
+
+    if (utf8Length == 1)
+    {
+        ucs4Char = *utf8Buffer;
+    }
+    else
+    {
+        ucs4Char = *utf8Buffer++ & ((1<<(7-utf8Length))-1);
+        minucs4Char = minucs4Table[utf8Length-2];
+        while(--utf8Length)
+        {
+            ucs4Char = ucs4Char<<6 | (*utf8Buffer++ & 0x3F);
+        }
+        if(ucs4Char < minucs4Char || ucs4Char == 0xFFFE || ucs4Char == 0xFFFF)
+        {
+            ucs4Char = 0xFFFD;
+        }
+    }
+
+    return ucs4Char;
+}
+
+static JSBool
+dec_charbuf(const char *src, size_t srclen, jschar *dst, size_t *dstlenp)
+{
+    uint32 v;
+    size_t offset = 0;
+    size_t j;
+    size_t n;
+    size_t dstlen = *dstlenp;
+    size_t origDstlen = dstlen;
+
+    if(!dst) dstlen = origDstlen = (size_t) -1;
+
+    while(srclen)
+    {
+        v = (uint8) *src;
+        n = 1;
+        
+        if(v & 0x80)
+        {
+            while(v & (0x80 >> n))
+            {
+                n++;
+            }
+            
+            if(n > srclen) goto buffer_too_small;
+            if(n == 1 || n > 6) goto bad_character;
+            
+            for(j = 1; j < n; j++)
+            {
+                if((src[j] & 0xC0) != 0x80) goto bad_character;
+            }
+
+            v = dec_char((const uint8 *) src, n);
+            if(v >= 0x10000)
+            {
+                v -= 0x10000;
+                
+                if(v > 0xFFFFF || dstlen < 2)
+                {
+                    *dstlenp = (origDstlen - dstlen);
+                    return JS_FALSE;
+                }
+                
+                if(dstlen < 2) goto buffer_too_small;
+
+                if(dst)
+                {
+                    *dst++ = (jschar)((v >> 10) + 0xD800);
+                    v = (jschar)((v & 0x3FF) + 0xDC00);
+                }
+                dstlen--;
+            }
+        }
+
+        if(!dstlen) goto buffer_too_small;
+        if(dst) *dst++ = (jschar) v;
+
+        dstlen--;
+        offset += n;
+        src += n;
+        srclen -= n;
+    }
+
+    *dstlenp = (origDstlen - dstlen);
+    return JS_TRUE;
+
+bad_character:
+    *dstlenp = (origDstlen - dstlen);
+    return JS_FALSE;
+
+buffer_too_small:
+    *dstlenp = (origDstlen - dstlen);
+    return JS_FALSE;
+}
+
+JSString*
+dec_string(JSContext* cx, const char* bytes, size_t byteslen)
+{
+    JSString* str = NULL;
+    jschar* chars = NULL;
+    size_t charslen;
+    
+    if(!dec_charbuf(bytes, byteslen, NULL, &charslen)) goto error;
+
+    chars = JS_malloc(cx, (charslen + 1) * sizeof(jschar));
+    if(!chars) return NULL;
+    chars[charslen] = 0;
+
+    if(!dec_charbuf(bytes, byteslen, chars, &charslen)) goto error;
+
+    str = JS_NewUCString(cx, chars, charslen - 1);
+    if(!str) goto error;
+
+    goto success;
+
+error:
+    if(chars != NULL) JS_free(cx, chars);
+    str = NULL;
+
+success:
+    return str;
+}
\ No newline at end of file
diff --git a/src/couchdb/priv/couch_js/utf8.h b/src/couchdb/priv/couch_js/utf8.h
new file mode 100644
index 00000000..00f6b736
--- /dev/null
+++ b/src/couchdb/priv/couch_js/utf8.h
@@ -0,0 +1,19 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#ifndef COUCH_JS_UTF_8_H
+#define COUCH_JS_UTF_8_H
+
+char* enc_string(JSContext* cx, jsval arg, size_t* buflen);
+JSString* dec_string(JSContext* cx, const char* buf, size_t buflen);
+
+#endif
\ No newline at end of file