b6b7fffc35
This reverts commit05ce2817f2. Reason for revert: Fixing the build Original change's description: > Revert "Removing ICU dependencies from skparagraph BUILD.gn file" > > This reverts commitf1711adb1a. > > Reason for revert: Build break > > Original change's description: > > Removing ICU dependencies from skparagraph BUILD.gn file > > > > (and from the sources, too) > > > > Change-Id: I9d8ff51c91aad4b770b1f183c04734d31252b851 > > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/313148 > > Commit-Queue: Julia Lavrova <jlavrova@google.com> > > Reviewed-by: Ben Wagner <bungeman@google.com> > > TBR=bungeman@google.com,jlavrova@google.com > > Change-Id: I1fce2436855e3e2a4cb7d1d7204b3ae49fd530e8 > No-Presubmit: true > No-Tree-Checks: true > No-Try: true > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/314540 > Reviewed-by: Julia Lavrova <jlavrova@google.com> > Commit-Queue: Julia Lavrova <jlavrova@google.com> TBR=bungeman@google.com,jlavrova@google.com Change-Id: I13d78d75698df47930adc2514d1328abc556a209 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/316444 Reviewed-by: Kevin Lubick <kjlubick@google.com> Commit-Queue: Julia Lavrova <jlavrova@google.com>
109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "SkLoadICU.h"
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#if defined(_WIN32) && defined(SK_USING_THIRD_PARTY_ICU)
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <io.h>
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#include <cstdio>
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#include <cstring>
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#include <mutex>
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#include <string>
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#include "unicode/udata.h"
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static void* win_mmap(const char* dataFile) {
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if (!dataFile) {
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return nullptr;
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}
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struct FCloseWrapper { void operator()(FILE* f) { fclose(f); } };
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std::unique_ptr<FILE, FCloseWrapper> stream(fopen(dataFile, "rb"));
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if (!stream) {
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fprintf(stderr, "SkIcuLoader: datafile missing: %s.\n", dataFile);
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return nullptr;
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}
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int fileno = _fileno(stream.get());
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if (fileno < 0) {
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fprintf(stderr, "SkIcuLoader: datafile fileno error.\n");
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return nullptr;
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}
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HANDLE file = (HANDLE)_get_osfhandle(fileno);
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if ((HANDLE)INVALID_HANDLE_VALUE == file) {
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fprintf(stderr, "SkIcuLoader: datafile handle error.\n");
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return nullptr;
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}
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struct CloseHandleWrapper { void operator()(HANDLE h) { CloseHandle(h); } };
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std::unique_ptr<void, CloseHandleWrapper> mmapHandle(
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CreateFileMapping(file, nullptr, PAGE_READONLY, 0, 0, nullptr));
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if (!mmapHandle) {
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fprintf(stderr, "SkIcuLoader: datafile mmap error.\n");
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return nullptr;
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}
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void* addr = MapViewOfFile(mmapHandle.get(), FILE_MAP_READ, 0, 0, 0);
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if (nullptr == addr) {
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fprintf(stderr, "SkIcuLoader: datafile view error.\n");
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return nullptr;
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}
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return addr;
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}
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static bool init_icu(void* addr) {
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UErrorCode err = U_ZERO_ERROR;
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udata_setCommonData(addr, &err);
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if (err != U_ZERO_ERROR) {
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fprintf(stderr, "udata_setCommonData() returned %d.\n", (int)err);
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return false;
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}
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udata_setFileAccess(UDATA_ONLY_PACKAGES, &err);
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if (err != U_ZERO_ERROR) {
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fprintf(stderr, "udata_setFileAccess() returned %d.\n", (int)err);
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return false;
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}
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return true;
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}
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static std::string library_directory() {
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HMODULE hModule = NULL;
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GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
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reinterpret_cast<LPCSTR>(&library_directory), &hModule);
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char path[MAX_PATH];
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GetModuleFileNameA(hModule, path, MAX_PATH);
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const char* end = strrchr(path, '\\');
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return end ? std::string(path, end - path) : std::string();
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}
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static std::string executable_directory() {
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HMODULE hModule = GetModuleHandleA(NULL);
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char path[MAX_PATH];
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GetModuleFileNameA(hModule, path, MAX_PATH);
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const char* end = strrchr(path, '\\');
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return end ? std::string(path, end - path) : std::string();
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}
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static bool load_from(const std::string& dir) {
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auto sPath = dir + "\\icudtl.dat";
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if (void* addr = win_mmap(sPath.c_str())) {
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if (init_icu(addr)) {
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return true;
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}
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}
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return false;
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}
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bool SkLoadICU() {
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static bool good = false;
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static std::once_flag flag;
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std::call_once(flag, []() {
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good = load_from(executable_directory()) || load_from(library_directory());
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});
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return good;
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}
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#endif // defined(_WIN32) && defined(SK_USING_THIRD_PARTY_ICU)
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