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lvfulong
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/**
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@file JSZip.cpp
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@brief
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@author James
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@version 1.0
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@date 2016_5_18
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*/
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#include "JSZip.h"
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#include "util/Log.h"
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#include <zip.h>
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namespace laya
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{
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ADDJSCLSINFO(JSZip, JSObjNode);
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JSZip::JSZip()
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{
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m_pZip = NULL;
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m_pZipSource = NULL;
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}
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JSZip::~JSZip()
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{
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close();
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}
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bool JSZip::openZip(const char* p_pszFile)
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{
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int error =0;
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zip* pZip = zip_open(p_pszFile, 0, &error);
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if (!pZip)
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{
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LOGE("JSZip can't open zip: %d", error);
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return false;
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}
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m_pZip = pZip;
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return true;
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}
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bool JSZip::setSrc(const char* p_pSrc)
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{
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close();
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return openZip(p_pSrc);
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}
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JsValue JSZip::readFileExp(int idx)
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{
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return readFile(idx);
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}
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JsValue JSZip::readFile(int idx)
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{
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if (!m_pZip)
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return JSP_TO_JS_NULL;
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zip* pZip = (zip*)m_pZip;
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struct zip_stat sb;
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zip_stat_init(&sb);
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if (zip_stat_index(pZip, idx, 0, &sb) < 0)
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{
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}
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else
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{
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zip_file* pzf = zip_fopen_index(pZip, idx, 0);
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if (pzf == NULL)
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{
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int a = 0;
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}
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else
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{
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//laya::JSArrayBuffer* pAB = laya::JSArrayBuffer::create(sb.size);
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char* pBuff = new char[(unsigned int)sb.size];
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zip_fread(pzf, pBuff, sb.size);
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zip_fclose(pzf);
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JsValue ab = createJSAB(pBuff,(int)sb.size);
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delete [] pBuff;
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//return pAB;
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return ab;
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}
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}
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return JSP_TO_JS_NULL;
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}
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JsValue JSZip::readFileByName(const char* pName)
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{
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if (!pName)
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return JSP_TO_JS_NULL;
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if (!m_pZip)
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return JSP_TO_JS_NULL;
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zip* pZip = (zip*)m_pZip;
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zip_int64_t idx = zip_name_locate(pZip, pName, 0);
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if (idx == -1)
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return JSP_TO_JS_NULL;
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return readFile(idx);
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}
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JsValue JSZip::readFileAsText(int idx)
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{
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if (!m_pZip)
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return JSP_TO_JS_NULL;
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zip* pZip = (zip*)m_pZip;
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struct zip_stat sb;
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zip_stat_init(&sb);
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if (zip_stat_index(pZip, idx, 0, &sb) < 0)
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{
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}
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else
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{
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zip_file* pzf = zip_fopen_index(pZip, idx, 0);
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if (pzf == NULL)
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{
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int a = 0;
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}
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else
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{
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std::unique_ptr<char[]> pBuff(new char[(unsigned int)sb.size + 1]);
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zip_fread(pzf, pBuff.get(), sb.size);
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zip_fclose(pzf);
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pBuff[(unsigned int)sb.size] = 0;
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#ifdef _DEBUG
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if (IsTextUTF8((char*)pBuff.get(), (unsigned int)sb.size) == false)
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{
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const char* pName = zip_get_name(pZip, idx, 0);
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LOGE("error JSZip readFileAsText %s is not utf8 format", pName);
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}
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#endif
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return (JSP_TO_JS_STR(pBuff.get()));
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}
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}
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return JSP_TO_JS_NULL;
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}
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JsValue JSZip::readFileAsTextByName(const char* pName)
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{
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if (!pName)
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return JSP_TO_JS_NULL;
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if (!m_pZip)
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return JSP_TO_JS_NULL;
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zip* pZip = (zip*)m_pZip;
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zip_int64_t idx = zip_name_locate(pZip, pName, 0);
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if (idx == -1)
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return JSP_TO_JS_NULL;
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return readFileAsText(idx);
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}
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void JSZip::enumFiles( JSValueAsParam pObj)
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{
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if (!m_pZip)
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return;
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zip* pZip = (zip*)m_pZip;
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int entNum = zip_get_num_files(pZip);
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for (int i = 0; i < entNum; i++)
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{
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struct zip_stat sb;
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zip_stat_init(&sb);
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if (zip_stat_index(pZip, i, 0, &sb) < 0)
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{
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}
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else
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{
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bool bDir = sb.name[strlen(sb.name) - 1] == '/';
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#ifdef JS_V8
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if (!pObj->IsFunction())return;
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v8::Local<v8::Function> jsfun = v8::Local<v8::Function>::Cast(pObj);
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callJsFunc(jsfun, i, sb.name, bDir, sb.size);
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#elif JS_JSC
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JSContextRef ctx = laya::__TlsData::GetInstance()->GetCurContext();
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if (!JSValueIsObject(ctx, pObj))return;
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if (!JSObjectIsFunction(ctx, JSValueToObject(ctx, pObj, nullptr)))return;
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callJsFunc(pObj, i, sb.name, bDir, sb.size);
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#endif
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}
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}
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//zip_close(pZip);
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}
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void JSZip::close()
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{
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if (m_pZip)
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{
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zip_close((zip*)m_pZip);
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}
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m_pZip = NULL;
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m_pZipSource = NULL;
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}
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bool JSZip::setBuffer(JSValueAsParam pArrayBuffer)
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{
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char* pArrayBufferPtr = NULL;
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int nABLen = 0;
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bool bIsArrayBuffer = extractJSAB(pArrayBuffer, pArrayBufferPtr, nABLen);
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if (!bIsArrayBuffer)
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{
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LOGE("JSZip::setBuffer param is not an ArrayBuffer!");
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return false;
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}
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if (nABLen <= 0)
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{
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return false;
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}
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close();
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char* pBuff = new char[nABLen];
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memcpy(pBuff, pArrayBufferPtr, nABLen);
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zip_error_t error;
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zip_error_init(&error);
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m_pZipSource = zip_source_buffer_create(pBuff, nABLen, 1, &error);
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if (m_pZipSource == NULL)
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{
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LOGE("JSZip can't create source: %s", zip_error_strerror(&error));
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zip_error_fini(&error);
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delete[] pBuff;
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return false;
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}
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m_pZip = zip_open_from_source((zip_source*)m_pZipSource, 0, &error);
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if (!m_pZip)
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{
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LOGE("JSZip can't open zip from source: %s", zip_error_strerror(&error));
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zip_source_free((zip_source*)m_pZipSource);
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zip_error_fini(&error);
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return false;
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}
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zip_error_fini(&error);
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return true;
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}
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void JSZip::exportJS()
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{
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JSP_CLASS("ZipFile", JSZip);
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JSP_ADD_METHOD("setSrc", JSZip::setSrc);
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JSP_ADD_METHOD("forEach", JSZip::enumFiles);
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JSP_ADD_METHOD("readFile1", JSZip::readFileExp);//这个现在有问题,在导出函数中调用这个无法多次调用。例如enumFiles中调用,只有一次有效。
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JSP_ADD_METHOD("readFile", JSZip::readFile);
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JSP_ADD_METHOD("readAsArrayBufferByID", JSZip::readFile);
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JSP_ADD_METHOD("readAsArrayBufferByName", JSZip::readFileByName);
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JSP_ADD_METHOD("readAsTextByID", JSZip::readFileAsText);
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JSP_ADD_METHOD("readAsTextByName", JSZip::readFileAsTextByName);
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JSP_ADD_METHOD("close", JSZip::close);
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JSP_ADD_METHOD("setBuffer", JSZip::setBuffer);
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JSP_INSTALL_CLASS("ZipFile", JSZip);
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}
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}
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//------------------------------------------------------------------------------
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//-----------------------------END FILE--------------------------------
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