141 lines
2.6 KiB
C++
141 lines
2.6 KiB
C++
// This file is part of gltfpack; see gltfpack.h for version/license details
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#include "gltfpack.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _WIN32
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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TempFile::TempFile()
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: fd(-1)
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{
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}
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TempFile::TempFile(const char* suffix)
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: fd(-1)
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{
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create(suffix);
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}
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TempFile::~TempFile()
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{
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if (!path.empty())
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remove(path.c_str());
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#ifndef _WIN32
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if (fd >= 0)
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close(fd);
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#endif
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}
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void TempFile::create(const char* suffix)
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{
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assert(fd < 0 && path.empty());
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#if defined(_WIN32)
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const char* temp_dir = getenv("TEMP");
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path = temp_dir ? temp_dir : ".";
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path += "\\gltfpack-XXXXXX";
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(void)_mktemp(&path[0]);
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path += suffix;
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#elif defined(__wasi__)
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static int id = 0;
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char ids[16];
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snprintf(ids, sizeof(ids), "%d", id++);
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path = "gltfpack-temp-";
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path += ids;
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path += suffix;
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#else
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path = "/tmp/gltfpack-XXXXXX";
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path += suffix;
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fd = mkstemps(&path[0], strlen(suffix));
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#endif
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}
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std::string getFullPath(const char* path, const char* base_path)
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{
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std::string result = base_path;
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std::string::size_type slash = result.find_last_of("/\\");
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result.erase(slash == std::string::npos ? 0 : slash + 1);
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result += path;
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return result;
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}
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std::string getFileName(const char* path)
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{
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std::string result = path;
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std::string::size_type slash = result.find_last_of("/\\");
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if (slash != std::string::npos)
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result.erase(0, slash + 1);
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std::string::size_type dot = result.find_last_of('.');
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if (dot != std::string::npos)
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result.erase(dot);
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return result;
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}
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std::string getExtension(const char* path)
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{
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std::string result = path;
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std::string::size_type slash = result.find_last_of("/\\");
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std::string::size_type dot = result.find_last_of('.');
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if (slash != std::string::npos && dot != std::string::npos && dot < slash)
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dot = std::string::npos;
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result.erase(0, dot);
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for (size_t i = 0; i < result.length(); ++i)
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if (unsigned(result[i] - 'A') < 26)
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result[i] = (result[i] - 'A') + 'a';
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return result;
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}
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bool readFile(const char* path, std::string& data)
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{
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FILE* file = fopen(path, "rb");
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if (!file)
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return false;
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fseek(file, 0, SEEK_END);
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long length = ftell(file);
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fseek(file, 0, SEEK_SET);
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if (length <= 0)
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{
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fclose(file);
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return false;
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}
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data.resize(length);
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size_t result = fread(&data[0], 1, data.size(), file);
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int rc = fclose(file);
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return rc == 0 && result == data.size();
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}
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bool writeFile(const char* path, const std::string& data)
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{
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FILE* file = fopen(path, "wb");
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if (!file)
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return false;
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size_t result = fwrite(&data[0], 1, data.size(), file);
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int rc = fclose(file);
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return rc == 0 && result == data.size();
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}
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