From e0303d02974c914d4633e37d789e33b21689b5eb Mon Sep 17 00:00:00 2001 From: Bastien Montagne Date: Mon, 16 Jan 2017 20:34:13 +0100 Subject: Cleanup/refactor: move BKE_deform_flip_side_name & co to BLI_string_utils Functions like that do not have anything to do in BKE really, even less when actually more used for bones than vgroups! --- source/blender/blenlib/intern/string_utils.c | 178 +++++++++++++++++++++++++++ 1 file changed, 178 insertions(+) (limited to 'source/blender/blenlib/intern/string_utils.c') diff --git a/source/blender/blenlib/intern/string_utils.c b/source/blender/blenlib/intern/string_utils.c index a7427b6848e..435a88d6e21 100644 --- a/source/blender/blenlib/intern/string_utils.c +++ b/source/blender/blenlib/intern/string_utils.c @@ -90,6 +90,184 @@ int BLI_split_name_num(char *left, int *nr, const char *name, const char delim) return name_len; } +static bool is_char_sep(const char c) +{ + return ELEM(c, '.', ' ', '-', '_'); +} + +/** + * based on `BLI_split_dirfile()` / `os.path.splitext()`, + * `"a.b.c"` -> (`"a.b"`, `".c"`). + */ +void BLI_string_split_suffix(const char *string, char *r_body, char *r_suf, const size_t str_len) +{ + size_t len = BLI_strnlen(string, str_len); + size_t i; + + r_body[0] = r_suf[0] = '\0'; + + for (i = len; i > 0; i--) { + if (is_char_sep(string[i])) { + BLI_strncpy(r_body, string, i + 1); + BLI_strncpy(r_suf, string + i, (len + 1) - i); + return; + } + } + + memcpy(r_body, string, len + 1); +} + +/** + * `"a.b.c"` -> (`"a."`, `"b.c"`) + */ +void BLI_string_split_prefix(const char *string, char *r_pre, char *r_body, const size_t str_len) +{ + size_t len = BLI_strnlen(string, str_len); + size_t i; + + r_body[0] = r_pre[0] = '\0'; + + for (i = 1; i < len; i++) { + if (is_char_sep(string[i])) { + i++; + BLI_strncpy(r_pre, string, i + 1); + BLI_strncpy(r_body, string + i, (len + 1) - i); + return; + } + } + + BLI_strncpy(r_body, string, len); +} + +/** + * Finds the best possible flipped (left/right) name. For renaming; check for unique names afterwards. + * + * \param r_name flipped name, assumed to be a pointer to a string of at least \a name_len size. + * \param from_name original name, assumed to be a pointer to a string of at least \a name_len size. + * \param strip_number If set, remove number extensions. + */ +void BLI_string_flip_side_name(char *r_name, const char *from_name, const bool strip_number, const size_t name_len) +{ + size_t len; + char *prefix = alloca(name_len); /* The part before the facing */ + char *suffix = alloca(name_len); /* The part after the facing */ + char *replace = alloca(name_len); /* The replacement string */ + char *number = alloca(name_len); /* The number extension string */ + char *index = NULL; + bool is_set = false; + + *prefix = *suffix = *replace = *number = '\0'; + + /* always copy the name, since this can be called with an uninitialized string */ + BLI_strncpy(r_name, from_name, name_len); + + len = BLI_strnlen(from_name, name_len); + if (len < 3) { + /* we don't do names like .R or .L */ + return; + } + + /* We first check the case with a .### extension, let's find the last period */ + if (isdigit(r_name[len - 1])) { + index = strrchr(r_name, '.'); // last occurrence + if (index && isdigit(index[1])) { // doesnt handle case bone.1abc2 correct..., whatever! + if (strip_number == false) { + BLI_strncpy(number, index, name_len); + } + *index = 0; + len = BLI_strnlen(r_name, name_len); + } + } + + BLI_strncpy(prefix, r_name, name_len); + + /* first case; separator . - _ with extensions r R l L */ + if ((len > 1) && is_char_sep(r_name[len - 2])) { + is_set = true; + switch (r_name[len - 1]) { + case 'l': + prefix[len - 1] = 0; + strcpy(replace, "r"); + break; + case 'r': + prefix[len - 1] = 0; + strcpy(replace, "l"); + break; + case 'L': + prefix[len - 1] = 0; + strcpy(replace, "R"); + break; + case 'R': + prefix[len - 1] = 0; + strcpy(replace, "L"); + break; + default: + is_set = false; + } + } + + /* case; beginning with r R l L, with separator after it */ + if (!is_set && is_char_sep(r_name[1])) { + is_set = true; + switch (r_name[0]) { + case 'l': + strcpy(replace, "r"); + BLI_strncpy(suffix, r_name + 1, name_len); + prefix[0] = 0; + break; + case 'r': + strcpy(replace, "l"); + BLI_strncpy(suffix, r_name + 1, name_len); + prefix[0] = 0; + break; + case 'L': + strcpy(replace, "R"); + BLI_strncpy(suffix, r_name + 1, name_len); + prefix[0] = 0; + break; + case 'R': + strcpy(replace, "L"); + BLI_strncpy(suffix, r_name + 1, name_len); + prefix[0] = 0; + break; + default: + is_set = false; + } + } + + if (!is_set && len > 5) { + /* hrms, why test for a separator? lets do the rule 'ultimate left or right' */ + if (((index = BLI_strcasestr(prefix, "right")) == prefix) || + (index == prefix + len - 5)) + { + is_set = true; + if (index[0] == 'r') { + strcpy(replace, "left"); + } + else { + strcpy(replace, (index[1] == 'I') ? "LEFT" : "Left"); + } + *index = 0; + BLI_strncpy(suffix, index + 5, name_len); + } + else if (((index = BLI_strcasestr(prefix, "left")) == prefix) || + (index == prefix + len - 4)) + { + is_set = true; + if (index[0] == 'l') { + strcpy(replace, "right"); + } + else { + strcpy(replace, (index[1] == 'E') ? "RIGHT" : "Right"); + } + *index = 0; + BLI_strncpy(suffix, index + 4, name_len); + } + } + + BLI_snprintf(r_name, name_len, "%s%s%s%s", prefix, replace, suffix, number); +} + /* Unique name utils. */ -- cgit v1.2.3