2 Copyright (C) 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #ifndef __STDC_FORMAT_MACROS
27 #define __STDC_FORMAT_MACROS
33 #include "pbd/convert.h"
44 capitalize (const string& str)
48 /* XXX not unicode safe */
49 ret[0] = toupper (str[0]);
55 short_version (string orig, string::size_type target_length)
57 /* this tries to create a recognizable abbreviation
58 of "orig" by removing characters until we meet
59 a certain target length.
61 note that we deliberately leave digits in the result
66 string::size_type pos;
68 /* remove white-space and punctuation, starting at end */
70 while (orig.length() > target_length) {
71 if ((pos = orig.find_last_of (_("\"\n\t ,<.>/?:;'[{}]~`!@#$%^&*()_-+="))) == string::npos) {
74 orig.replace (pos, 1, "");
77 /* remove lower-case vowels, starting at end */
79 while (orig.length() > target_length) {
80 if ((pos = orig.find_last_of (_("aeiou"))) == string::npos) {
83 orig.replace (pos, 1, "");
86 /* remove upper-case vowels, starting at end */
88 while (orig.length() > target_length) {
89 if ((pos = orig.find_last_of (_("AEIOU"))) == string::npos) {
92 orig.replace (pos, 1, "");
95 /* remove lower-case consonants, starting at end */
97 while (orig.length() > target_length) {
98 if ((pos = orig.find_last_of (_("bcdfghjklmnpqrtvwxyz"))) == string::npos) {
101 orig.replace (pos, 1, "");
104 /* remove upper-case consonants, starting at end */
106 while (orig.length() > target_length) {
107 if ((pos = orig.find_last_of (_("BCDFGHJKLMNPQRTVWXYZ"))) == string::npos) {
110 orig.replace (pos, 1, "");
113 /* whatever the length is now, use it */
119 atoi (const string& s)
121 return ::atoi (s.c_str());
125 atol (const string& s)
127 return (int32_t) ::atol (s.c_str());
131 atoll (const string& s)
133 return (int64_t) ::atoll (s.c_str());
137 atof (const string& s)
139 return ::atof (s.c_str());
143 internationalize (const char *package_name, const char **array)
147 for (uint32_t i = 0; array[i]; ++i) {
148 v.push_back (dgettext(package_name, array[i]));
155 int_from_hex (char hic, char loc)
157 int hi; /* hi byte */
158 int lo; /* low byte */
162 if( ('0'<=hi) && (hi<='9') ) {
164 } else if( ('a'<= hi) && (hi<= 'f') ) {
166 } else if( ('A'<=hi) && (hi<='F') ) {
172 if( ('0'<=lo) && (lo<='9') ) {
174 } else if( ('a'<=lo) && (lo<='f') ) {
176 } else if( ('A'<=lo) && (lo<='F') ) {
180 return lo + (16 * hi);
184 url_decode (string const & url)
188 for (string::size_type i = 0; i < url.length(); ++i) {
191 } else if (url[i] == '%' && i <= url.length() - 3) {
192 decoded += char (int_from_hex (url[i + 1], url[i + 2]));
204 length2string (const int32_t frames, const float sample_rate)
206 int32_t secs = (int32_t) (frames / sample_rate);
207 int32_t hrs = secs / 3600;
208 secs -= (hrs * 3600);
209 int32_t mins = secs / 60;
212 int32_t total_secs = (hrs * 3600) + (mins * 60) + secs;
213 int32_t frames_remaining = (int) floor (frames - (total_secs * sample_rate));
214 float fractional_secs = (float) frames_remaining / sample_rate;
216 char duration_str[32];
217 sprintf (duration_str, "%02" PRIi32 ":%02" PRIi32 ":%05.2f", hrs, mins, (float) secs + fractional_secs);
224 length2string (const int64_t frames, const double sample_rate)
226 int64_t secs = (int64_t) floor (frames / sample_rate);
227 int64_t hrs = secs / 3600LL;
228 secs -= (hrs * 3600LL);
229 int64_t mins = secs / 60LL;
230 secs -= (mins * 60LL);
232 int64_t total_secs = (hrs * 3600LL) + (mins * 60LL) + secs;
233 int64_t frames_remaining = (int64_t) floor (frames - (total_secs * sample_rate));
234 float fractional_secs = (float) frames_remaining / sample_rate;
236 char duration_str[64];
237 sprintf (duration_str, "%02" PRIi64 ":%02" PRIi64 ":%05.2f", hrs, mins, (float) secs + fractional_secs);
243 chars_equal_ignore_case(char x, char y)
245 /* app should have called setlocale() if its wants this comparison to be
248 return toupper (x) == toupper (y);
252 strings_equal_ignore_case (const string& a, const string& b)
254 if (a.length() == b.length()) {
255 return std::equal (a.begin(), a.end(), b.begin(), chars_equal_ignore_case);
261 string_is_affirmative (const std::string& str)
263 /* to be used only with XML data - not intended to handle user input */
269 /* the use of g_ascii_strncasecmp() is solely to get around issues with
270 * charsets posed by trying to use C++ for the same
271 * comparison. switching a std::string to its lower- or upper-case
272 * version has several issues, but handled by default
273 * in the way we desire when doing it in C.
276 return str == "1" || str == "y" || str == "Y" || (!g_ascii_strncasecmp(str.c_str(), "yes", str.length())) ||
277 (!g_ascii_strncasecmp(str.c_str(), "true", str.length()));
280 /** A wrapper for dgettext that takes a msgid of the form Context|Text.
281 * If Context|Text is translated, the translation is returned, otherwise
282 * just Text is returned. Useful for getting translations of words or phrases
283 * that have different meanings in different contexts.
286 sgettext (const char* domain_name, const char* msgid)
288 const char * msgval = dgettext (domain_name, msgid);
289 if (msgval == msgid) {
290 const char * p = strrchr (msgid, '|');