81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
#include "files.h"
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#include <dirent.h>
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#include <list>
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#include <set>
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#include "util.h"
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void mrbesen::files::parent(const std::string& child, std::string& out) {
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//letzten path trenner finden
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size_t pos = child.rfind('/', child.length() -2); //das erste Zeichen überspringen (könnte ein / sein)
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if(pos == std::string::npos)
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pos = child.rfind('\\');
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if(pos != std::string::npos)
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out = child.substr(0, pos+1);
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else
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out = "";
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}
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void mrbesen::files::file(const std::string& path, std::string& out) {
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//letzten path trenner finden
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size_t pos = path.rfind('/', path.length() -2); //das erste Zeichen überspringen (könnte ein / sein)
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if(pos == std::string::npos)
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pos = path.rfind('\\');
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if(pos != std::string::npos)
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out = path.substr(pos+1);
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else
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out = path;
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}
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void mrbesen::files::extention(const std::string& path, std::string& ext) {
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std::string filestr;
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file(path, filestr);
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size_t pos = filestr.rfind('.');
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if(pos == std::string::npos || pos+1 == filestr.size()) {
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ext = "";
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return;
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}
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ext = filestr.substr(pos+1);
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}
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template<class Container>
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bool mrbesen::files::scan(const std::string& path, std::insert_iterator<Container> it, bool prefixdir, fileNameFilter fnf) {
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return scan(path, [&](const std::string& p, FileType t){ it = p; }, prefixdir, fnf);
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}
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//curently only these are supported, because iterators may break on others upon insertion
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template bool mrbesen::files::scan<std::list<std::string>>(const std::string&, std::insert_iterator<std::list<std::string>>, bool, fileNameFilter);
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template bool mrbesen::files::scan<std::set<std::string>>(const std::string&, std::insert_iterator<std::set<std::string>>, bool, fileNameFilter);
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template bool mrbesen::files::scan<std::multiset<std::string>>(const std::string&, std::insert_iterator<std::multiset<std::string>>, bool, fileNameFilter);
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bool mrbesen::files::scan(const std::string& path, fileCallback clb, bool prefixdir, fileNameFilter fnf) {
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std::string path_ = path;
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mrbesen::util::insertEnd(path_, "/");
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::DIR* dir = opendir(path_.c_str());
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if(!dir) {
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return false;
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}
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//read dir
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struct ::dirent* entr;
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while((entr = readdir(dir))) {
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std::string fname = entr->d_name;
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FileType type = (FileType) entr->d_type; //DT_BLK DT_CHR DT_DIR DT_FIFO DT_LNK DT_REG DT_SOCK DT_UNKNOWN (dirent.h, man readdir)
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if(fnf) {
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if(!fnf(fname, type)) {
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continue;
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}
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}
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if(prefixdir)
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fname = path_ + fname;
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clb(fname, type);
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}
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closedir(dir);
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return true;
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}
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