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      1 /*
      2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
      3  * Copyright (C) 2007 Alp Toker <alp (at) atoker.com>
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include "JSContextRef.h"
     28 #include "JSNode.h"
     29 #include "JSObjectRef.h"
     30 #include "JSStringRef.h"
     31 #include <stdio.h>
     32 #include <stdlib.h>
     33 #include <wtf/Assertions.h>
     34 #include <wtf/UnusedParam.h>
     35 
     36 static char* createStringWithContentsOfFile(const char* fileName);
     37 static JSValueRef print(JSContextRef context, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
     38 
     39 int main(int argc, char* argv[])
     40 {
     41     const char *scriptPath = "minidom.js";
     42     if (argc > 1) {
     43         scriptPath = argv[1];
     44     }
     45 
     46     JSGlobalContextRef context = JSGlobalContextCreateInGroup(NULL, NULL);
     47     JSObjectRef globalObject = JSContextGetGlobalObject(context);
     48 
     49     JSStringRef printIString = JSStringCreateWithUTF8CString("print");
     50     JSObjectSetProperty(context, globalObject, printIString, JSObjectMakeFunctionWithCallback(context, printIString, print), kJSPropertyAttributeNone, NULL);
     51     JSStringRelease(printIString);
     52 
     53     JSStringRef node = JSStringCreateWithUTF8CString("Node");
     54     JSObjectSetProperty(context, globalObject, node, JSObjectMakeConstructor(context, JSNode_class(context), JSNode_construct), kJSPropertyAttributeNone, NULL);
     55     JSStringRelease(node);
     56 
     57     char* scriptUTF8 = createStringWithContentsOfFile(scriptPath);
     58     JSStringRef script = JSStringCreateWithUTF8CString(scriptUTF8);
     59     JSValueRef exception;
     60     JSValueRef result = JSEvaluateScript(context, script, NULL, NULL, 1, &exception);
     61     if (result)
     62         printf("PASS: Test script executed successfully.\n");
     63     else {
     64         printf("FAIL: Test script threw exception:\n");
     65         JSStringRef exceptionIString = JSValueToStringCopy(context, exception, NULL);
     66         size_t exceptionUTF8Size = JSStringGetMaximumUTF8CStringSize(exceptionIString);
     67         char* exceptionUTF8 = (char*)malloc(exceptionUTF8Size);
     68         JSStringGetUTF8CString(exceptionIString, exceptionUTF8, exceptionUTF8Size);
     69         printf("%s\n", exceptionUTF8);
     70         free(exceptionUTF8);
     71         JSStringRelease(exceptionIString);
     72     }
     73     JSStringRelease(script);
     74     free(scriptUTF8);
     75 
     76     globalObject = 0;
     77     JSGlobalContextRelease(context);
     78     printf("PASS: Program exited normally.\n");
     79     return 0;
     80 }
     81 
     82 static JSValueRef print(JSContextRef context, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
     83 {
     84     UNUSED_PARAM(object);
     85     UNUSED_PARAM(thisObject);
     86 
     87     if (argumentCount > 0) {
     88         JSStringRef string = JSValueToStringCopy(context, arguments[0], exception);
     89         size_t numChars = JSStringGetMaximumUTF8CStringSize(string);
     90         char stringUTF8[numChars];
     91         JSStringGetUTF8CString(string, stringUTF8, numChars);
     92         printf("%s\n", stringUTF8);
     93     }
     94 
     95     return JSValueMakeUndefined(context);
     96 }
     97 
     98 static char* createStringWithContentsOfFile(const char* fileName)
     99 {
    100     char* buffer;
    101 
    102     size_t buffer_size = 0;
    103     size_t buffer_capacity = 1024;
    104     buffer = (char*)malloc(buffer_capacity);
    105 
    106     FILE* f = fopen(fileName, "r");
    107     if (!f) {
    108         fprintf(stderr, "Could not open file: %s\n", fileName);
    109         return 0;
    110     }
    111 
    112     while (!feof(f) && !ferror(f)) {
    113         buffer_size += fread(buffer + buffer_size, 1, buffer_capacity - buffer_size, f);
    114         if (buffer_size == buffer_capacity) { /* guarantees space for trailing '\0' */
    115             buffer_capacity *= 2;
    116             buffer = (char*)realloc(buffer, buffer_capacity);
    117             ASSERT(buffer);
    118         }
    119 
    120         ASSERT(buffer_size < buffer_capacity);
    121     }
    122     fclose(f);
    123     buffer[buffer_size] = '\0';
    124 
    125     return buffer;
    126 }
    127