diff options
Diffstat (limited to 'source/blender/blenlib/intern/path_util.c')
| -rw-r--r-- | source/blender/blenlib/intern/path_util.c | 247 |
1 files changed, 224 insertions, 23 deletions
diff --git a/source/blender/blenlib/intern/path_util.c b/source/blender/blenlib/intern/path_util.c index 72739018399..b1a7d74e46f 100644 --- a/source/blender/blenlib/intern/path_util.c +++ b/source/blender/blenlib/intern/path_util.c @@ -57,6 +57,9 @@ # include <shlobj.h> # include "BLI_winstuff.h" # include "MEM_guardedalloc.h" +# include "BLI_alloca.h" +#else +# include "unistd.h" #endif /* WIN32 */ /* local */ @@ -743,7 +746,7 @@ bool BLI_parent_dir(char *path) BLI_cleanup_dir(NULL, tmp); /* does all the work of normalizing the path for us */ if (!BLI_testextensie(tmp, parent_dir)) { - BLI_strncpy(path, tmp, sizeof(tmp)); + strcpy(path, tmp); /* We assume pardir is always shorter... */ return true; } else { @@ -856,6 +859,111 @@ bool BLI_path_frame_range(char *path, int sta, int end, int digits) } /** + * Get the frame from a filename formatted by blender's frame scheme + */ +bool BLI_path_frame_get(char *path, int *r_frame, int *r_numdigits) +{ + if (path && *path) { + char *file = (char *)BLI_last_slash(path); + char *c; + int len, numdigits; + + numdigits = *r_numdigits = 0; + + if (file == NULL) + file = path; + + /* first get the extension part */ + len = strlen(file); + + c = file + len; + + /* isolate extension */ + while (--c != file) { + if (*c == '.') { + c--; + break; + } + } + + /* find start of number */ + while (c != (file - 1) && isdigit(*c)) { + c--; + numdigits++; + } + + if (numdigits) { + char prevchar; + + c++; + prevchar = c[numdigits]; + c[numdigits] = 0; + + /* was the number really an extension? */ + *r_frame = atoi(c); + c[numdigits] = prevchar; + + *r_numdigits = numdigits; + + return true; + } + } + + return false; +} + +void BLI_path_frame_strip(char *path, bool setsharp, char *ext) +{ + if (path && *path) { + char *file = (char *)BLI_last_slash(path); + char *c, *suffix; + int len; + int numdigits = 0; + + if (file == NULL) + file = path; + + /* first get the extension part */ + len = strlen(file); + + c = file + len; + + /* isolate extension */ + while (--c != file) { + if (*c == '.') { + c--; + break; + } + } + + suffix = c + 1; + + /* find start of number */ + while (c != (file - 1) && isdigit(*c)) { + c--; + numdigits++; + } + + c++; + + if (numdigits) { + /* replace the number with the suffix and terminate the string */ + while (numdigits--) { + if (ext) *ext++ = *suffix; + + if (setsharp) *c++ = '#'; + else *c++ = *suffix; + + suffix++; + } + *c = 0; + if (ext) *ext = 0; + } + } +} + + +/** * Check if we have '#' chars, usable for #BLI_path_frame, #BLI_path_frame_range */ bool BLI_path_frame_check_chars(const char *path) @@ -1018,6 +1126,114 @@ bool BLI_path_cwd(char *path) return wasrelative; } +#ifdef _WIN32 +/** + * Tries appending each of the semicolon-separated extensions in the PATHEXT + * environment variable (Windows-only) onto *name in turn until such a file is found. + * Returns success/failure. + */ +bool BLI_path_program_extensions_add_win32(char *name, const size_t maxlen) +{ + bool retval = false; + int type; + + type = BLI_exists(name); + if ((type == 0) || S_ISDIR(type)) { + /* typically 3-5, ".EXE", ".BAT"... etc */ + const int ext_max = 12; + const char *ext = getenv("PATHEXT"); + if (ext) { + const int name_len = strlen(name); + char *filename = alloca(name_len + ext_max); + char *filename_ext; + const char *ext_next; + + /* null terminated in the loop */ + memcpy(filename, name, name_len); + filename_ext = filename + name_len; + + do { + int ext_len; + ext_next = strchr(ext, ';'); + ext_len = ext_next ? ((ext_next++) - ext) : strlen(ext); + + if (LIKELY(ext_len < ext_max)) { + memcpy(filename_ext, ext, ext_len); + filename_ext[ext_len] = '\0'; + + type = BLI_exists(filename); + if (type && (!S_ISDIR(type))) { + retval = true; + BLI_strncpy(name, filename, maxlen); + break; + } + } + } while ((ext = ext_next)); + } + } + else { + retval = true; + } + + return retval; +} +#endif /* WIN32 */ + +/** + * Search for a binary (executable) + */ +bool BLI_path_program_search( + char *fullname, const size_t maxlen, + const char *name) +{ + const char *path; + bool retval = false; + +#ifdef _WIN32 + const char separator = ';'; +#else + const char separator = ':'; +#endif + + path = getenv("PATH"); + if (path) { + char filename[FILE_MAX]; + const char *temp; + + do { + temp = strchr(path, separator); + if (temp) { + strncpy(filename, path, temp - path); + filename[temp - path] = 0; + path = temp + 1; + } + else { + strncpy(filename, path, sizeof(filename)); + } + + BLI_path_append(filename, maxlen, name); + if ( +#ifdef _WIN32 + BLI_path_program_extensions_add_win32(filename, maxlen) +#else + BLI_exists(filename) +#endif + ) + { + BLI_strncpy(fullname, filename, maxlen); + retval = true; + break; + } + } while (temp); + } + + if (retval == false) { + *fullname = '\0'; + } + + return retval; +} + /** * Copies into *last the part of *dir following the second-last slash. */ @@ -1109,33 +1325,18 @@ void BLI_char_switch(char *string, char from, char to) */ void BLI_make_exist(char *dir) { - int a; - char par_path[PATH_MAX + 3]; + bool valid_path = true; - BLI_char_switch(dir, ALTSEP, SEP); + /* Loop as long as cur path is not a dir, and we can get a parent path. */ + while ((BLI_access(dir, R_OK) != 0) && (valid_path = BLI_parent_dir(dir))); - a = strlen(dir); - - for (BLI_join_dirfile(par_path, sizeof(par_path), dir, FILENAME_PARENT); - !(BLI_is_dir(dir) && BLI_exists(par_path)); - BLI_join_dirfile(par_path, sizeof(par_path), dir, FILENAME_PARENT)) - { - a--; - while (dir[a] != SEP) { - a--; - if (a <= 0) break; - } - if (a >= 0) { - dir[a + 1] = '\0'; - } - else { + /* If we could not find an existing dir, use default root... */ + if (!valid_path || !dir[0]) { #ifdef WIN32 - get_default_root(dir); + get_default_root(dir); #else - strcpy(dir, "/"); + strcpy(dir, "/"); #endif - break; - } } } |