ZLMediaKit/tests/bom.cpp

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2019-08-22 16:30:07 +08:00
#include <stdlib.h>
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#include <memory.h>
#include <dirent.h>
#include <set>
#include "Util/CMD.h"
#include "Util/util.h"
#include "Util/logger.h"
#include "Util/File.h"
#include "Util/uv_errno.h"
using namespace std;
using namespace toolkit;
class CMD_main : public CMD {
public:
CMD_main() {
_parser.reset(new OptionParser(nullptr));
(*_parser) << Option('r',/*该选项简称,如果是\x00则说明无简称*/
"rm",/*该选项全称,每个选项必须有全称不得为null或空字符串*/
Option::ArgNone,/*该选项后面必须跟值*/
nullptr,/*该选项默认值*/
false,/*该选项是否必须赋值如果没有默认值且为ArgRequired时用户必须提供该参数否则将抛异常*/
"是否删除或添加bom,默认添加bom头",/*该选项说明文字*/
nullptr);
(*_parser) << Option('f',/*该选项简称,如果是\x00则说明无简称*/
"filter",/*该选项全称,每个选项必须有全称不得为null或空字符串*/
Option::ArgRequired,/*该选项后面必须跟值*/
"c,cpp,cxx,c,h,hpp",/*该选项默认值*/
true,/*该选项是否必须赋值如果没有默认值且为ArgRequired时用户必须提供该参数否则将抛异常*/
"文件后缀过滤器",/*该选项说明文字*/
nullptr);
(*_parser) << Option('i',/*该选项简称,如果是\x00则说明无简称*/
"in",/*该选项全称,每个选项必须有全称不得为null或空字符串*/
Option::ArgRequired,/*该选项后面必须跟值*/
nullptr,/*该选项默认值*/
true,/*该选项是否必须赋值如果没有默认值且为ArgRequired时用户必须提供该参数否则将抛异常*/
"文件夹或文件",/*该选项说明文字*/
nullptr);
}
virtual ~CMD_main() {}
virtual const char *description() const {
return "添加或删除bom";
}
};
void get_file_path(const char *path, const char *file_name, char *file_path) {
strcpy(file_path, path);
if (file_path[strlen(file_path) - 1] != '/') {
strcat(file_path, "/");
}
strcat(file_path, file_name);
}
template <typename FUNC>
void for_each_file(const char *path, FUNC &&func){
DIR *dir;
dirent *dir_info;
char file_path[PATH_MAX];
if (File::is_file(path)) {
func(path);
return;
}
if (File::is_dir(path)) {
if ((dir = opendir(path)) == NULL) {
closedir(dir);
return;
}
while ((dir_info = readdir(dir)) != NULL) {
if (File::is_special_dir(dir_info->d_name)) {
continue;
}
get_file_path(path, dir_info->d_name, file_path);
for_each_file(file_path,std::forward<FUNC>(func));
}
closedir(dir);
return;
}
}
static const char s_bom[] = "\xEF\xBB\xBF";
void add_or_rm_bom(const char *file,bool rm_bom){
auto file_str = File::loadFile(file);
if(rm_bom){
file_str.erase(0, sizeof(s_bom) - 1);
}else{
file_str.insert(0,s_bom,sizeof(s_bom) - 1);
}
File::saveFile(file_str,file);
}
void process_file(const char *file,bool rm_bom){
std::shared_ptr<FILE> fp(fopen(file, "rb+"), [](FILE *fp) {
if (fp) {
fclose(fp);
}
});
if (!fp) {
WarnL << "打开文件失败:" << file << " " << get_uv_errmsg();
return;
}
bool have_bom = rm_bom;
char buf[sizeof(s_bom) - 1] = {0};
if (sizeof(buf) == fread(buf,1,sizeof(buf),fp.get())) {
have_bom = (memcmp(s_bom, buf, sizeof(s_bom) - 1) == 0);
}
if (have_bom == !rm_bom) {
// DebugL << "无需" << (rm_bom ? "删除" : "添加") << "bom:" << file;
return;
}
fp = nullptr;
add_or_rm_bom(file,rm_bom);
InfoL << (rm_bom ? "删除" : "添加") << "bom:" << file;
}
int main(int argc, char *argv[]) {
CMD_main cmd_main;
try {
cmd_main.operator()(argc, argv);
} catch (std::exception &ex) {
cout << ex.what() << endl;
return -1;
}
bool rm_bom = cmd_main.hasKey("rm");
string path = cmd_main["in"];
string filter = cmd_main["filter"];
auto vec = split(filter,",");
set<string> filter_set;
for(auto ext : vec){
filter_set.emplace(ext);
}
bool no_filter = filter_set.find("*") != filter_set.end();
//设置日志
Logger::Instance().add(std::make_shared<ConsoleChannel>());
for_each_file(path.data(),[&](const char *path){
if(!no_filter){
//开启了过滤器
auto pos = strstr(path,".");
if(pos == nullptr){
//没有后缀
return;
}
auto ext = pos + 1;
if(filter_set.find(ext) == filter_set.end()){
//后缀不匹配
return;
}
}
//该文件匹配
process_file(path,rm_bom);
});
return 0;
}