Annotation of parser3/src/main/pa_dir.C, revision 1.30
1.1 paf 1: /** @file
2: Parser: directory scanning for different OS-es.
3:
1.30 ! moko 4: Copyright (c) 2000-2020 Art. Lebedev Studio (http://www.artlebedev.com)
1.11 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.12 paf 6: */
1.1 paf 7:
1.9 paf 8: #include "pa_common.h"
1.1 paf 9: #include "pa_dir.h"
1.28 moko 10: #include "pa_request.h"
11: #include "pa_convert_utf.h"
1.1 paf 12:
1.30 ! moko 13: volatile const char * IDENT_PA_DIR_C="$Id: pa_dir.C,v 1.29 2017/02/07 22:00:42 moko Exp $" IDENT_PA_DIR_H;
1.21 moko 14:
1.24 moko 15: #ifdef _MSC_VER
1.1 paf 16:
1.28 moko 17: const UTF16* pa_utf16_encode(const char* in, Charset& source_charset);
18: const char* pa_utf16_decode(const UTF16* in, Charset& asked_charset);
19:
1.22 moko 20: #define TICKS_PER_SECOND 10000000ULL
21: #define EPOCH_DIFFERENCE 11644473600ULL
1.28 moko 22:
1.22 moko 23: time_t filetime_to_timet(FILETIME const& ft){
24: ULARGE_INTEGER ull;
25: ull.LowPart = ft.dwLowDateTime;
26: ull.HighPart = ft.dwHighDateTime;
27: long long secs=(ull.QuadPart / TICKS_PER_SECOND - EPOCH_DIFFERENCE);
28: time_t t =(time_t)secs;
29: return (secs == (long long)t) ? t : 0;
30: }
31:
1.16 paf 32: bool findfirst(const char* _pathname, struct ffblk *_ffblk, int /*_attrib*/) {
1.1 paf 33: char mask[MAXPATH];
34: snprintf(mask, MAXPATH, "%s/*.*", _pathname);
35:
1.28 moko 36: const UTF16* utf16mask=pa_utf16_encode(mask, pa_thread_request().charsets.source());
37:
38: _ffblk->handle=FindFirstFileW((const wchar_t *)utf16mask, &_ffblk->stat);
1.1 paf 39: return _ffblk->handle==INVALID_HANDLE_VALUE;
40: }
41:
42: bool findnext(struct ffblk *_ffblk) {
1.28 moko 43: return !FindNextFileW(_ffblk->handle, &_ffblk->stat);
1.22 moko 44: }
1.1 paf 45:
46: void findclose(struct ffblk *_ffblk) {
47: FindClose(_ffblk->handle);
48: }
49:
1.28 moko 50: const char *ffblk::name() {
51: return pa_utf16_decode((const UTF16*)stat.cFileName, pa_thread_request().charsets.source());
52: }
53:
1.25 moko 54: bool ffblk::is_dir(bool) {
1.28 moko 55: return (stat.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
1.22 moko 56: }
57:
58: double ffblk::size() {
59: ULARGE_INTEGER ull;
1.28 moko 60: ull.LowPart = stat.nFileSizeLow;
61: ull.HighPart = stat.nFileSizeHigh;
1.22 moko 62: return (double)ull.QuadPart;
63: }
64:
65: time_t ffblk::c_timestamp() {
1.28 moko 66: return filetime_to_timet(stat.ftCreationTime);
1.22 moko 67: }
68:
69: time_t ffblk::m_timestamp() {
1.28 moko 70: return filetime_to_timet(stat.ftLastWriteTime);
1.22 moko 71: }
72:
73: time_t ffblk::a_timestamp() {
1.28 moko 74: return filetime_to_timet(stat.ftLastAccessTime);
1.22 moko 75: }
76:
1.1 paf 77: #else
78:
1.18 paf 79: bool findfirst(const char* _pathname, struct ffblk *_ffblk, int /*_attrib*/) {
1.23 moko 80: _ffblk->filePath=_pathname;
1.1 paf 81: if(!(_ffblk->dir=opendir(_ffblk->filePath)))
1.28 moko 82: return true;
1.1 paf 83:
84: return findnext(_ffblk);
85: }
86:
87: bool findnext(struct ffblk *_ffblk) {
1.28 moko 88: while(true) {
89: struct dirent *entry=readdir(_ffblk->dir);
90: if(!entry)
91: return true;
1.1 paf 92:
1.23 moko 93: strncpy(_ffblk->ff_name, entry->d_name, sizeof(_ffblk->ff_name)-1);
94: _ffblk->ff_name[sizeof(_ffblk->ff_name)-1]=0;
1.1 paf 95:
1.22 moko 96: #ifdef HAVE_STRUCT_DIRENT_D_TYPE
97: // http://www.gnu.org/software/libc/manual/html_node/Directory-Entries.html
98: _ffblk->_d_type=entry->d_type;
99: #endif
1.1 paf 100: return false;
101: }
102: }
103:
104: void findclose(struct ffblk *_ffblk) {
105: closedir(_ffblk->dir);
106: }
107:
1.22 moko 108: void ffblk::stat_file() {
109: char fileSpec[MAXPATH];
110: snprintf(fileSpec, MAXPATH, "%s/%s", filePath, ff_name);
111:
1.27 moko 112: if(pa_stat(fileSpec, &_st) != 0) {
1.22 moko 113: memset(&_st,0,sizeof(_st));
114: }
115: }
116:
1.25 moko 117: bool ffblk::is_dir(bool stat) {
1.22 moko 118: #ifdef HAVE_STRUCT_DIRENT_D_TYPE
1.25 moko 119: if(!stat && _d_type != DT_UNKNOWN)
120: return _d_type == DT_DIR;
121: #endif
122: stat_file();
1.22 moko 123: return S_ISDIR(_st.st_mode) != 0;
124: }
125:
126: double ffblk::size() {
127: return (double)_st.st_size;
128: }
129:
130: time_t ffblk::c_timestamp() {
131: return _st.st_ctime;
132: }
133:
134: time_t ffblk::m_timestamp() {
135: return _st.st_mtime;
136: }
137:
138: time_t ffblk::a_timestamp() {
139: return _st.st_atime;
140: }
141:
1.1 paf 142: #endif
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