Google V8编程详工具函数
头文件：utils.h
- #ifndef UTILS_H_
- #define UTILS_H_
- #include "v8.h"
- #include <iostream>
- using namespace v8;
- using namespace std;
- v8::Handle<v8::String> ReadJS(const char* name);
- void printValue(Handle<Value> result);
- #endif
- ReadJS
- v8::Handle<v8::String> ReadJS(const char* name) {
- FILE* file = fopen(name, "rb");
- if (file == NULL) {
- return v8::Handle<v8::String>();
- }
- fseek(file, 0, SEEK_END);
- int size = ftell(file);
- rewind(file);
- char* chars = new char[size + 1];
- chars[size] = '\0';
- for (int i = 0; i < size;) {
- int read = fread(&chars[i], 1, size - i, file);
- i += read;
- }
- fclose(file);
- v8::Handle<v8::String> result = v8::String::New(chars, size);
- delete[] chars;
- return result;
- }
- printValue
- void printValue(Handle<Value> result) {
- //感谢downmooner兄的提醒，这个String::Utf8Value str(result)的确让这段代码
- //南辕北辙
- //String::Utf8Value str(result);
- // just construct the "result" script
- Handle<Script> script = Script::Compile(String::New("result"));
- result = script->Run();
- cout << *String::Utf8Value(result) << endl;
- }
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