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/*
Copyright (C) 2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cmath>
#include <stdint.h>
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <inttypes.h>
#include "pbd/convert.h"
#include "i18n.h"
using std::string;
using std::vector;
namespace PBD {
string
short_version (string orig, string::size_type target_length)
{
/* this tries to create a recognizable abbreviation
of "orig" by removing characters until we meet
a certain target length.
note that we deliberately leave digits in the result
without modification.
*/
string::size_type pos;
/* remove white-space and punctuation, starting at end */
while (orig.length() > target_length) {
if ((pos = orig.find_last_of (_("\"\n\t ,<.>/?:;'[{}]~`!@#$%^&*()_-+="))) == string::npos) {
break;
}
orig.replace (pos, 1, "");
}
/* remove lower-case vowels, starting at end */
while (orig.length() > target_length) {
if ((pos = orig.find_last_of (_("aeiou"))) == string::npos) {
break;
}
orig.replace (pos, 1, "");
}
/* remove upper-case vowels, starting at end */
while (orig.length() > target_length) {
if ((pos = orig.find_last_of (_("AEIOU"))) == string::npos) {
break;
}
orig.replace (pos, 1, "");
}
/* remove lower-case consonants, starting at end */
while (orig.length() > target_length) {
if ((pos = orig.find_last_of (_("bcdfghjklmnpqrtvwxyz"))) == string::npos) {
break;
}
orig.replace (pos, 1, "");
}
/* remove upper-case consonants, starting at end */
while (orig.length() > target_length) {
if ((pos = orig.find_last_of (_("BCDFGHJKLMNPQRTVWXYZ"))) == string::npos) {
break;
}
orig.replace (pos, 1, "");
}
/* whatever the length is now, use it */
return orig;
}
int
atoi (const string& s)
{
return std::atoi (s.c_str());
}
double
atof (const string& s)
{
return std::atof (s.c_str());
}
vector<string>
internationalize (const char *package_name, const char **array)
{
vector<string> v;
for (uint32_t i = 0; array[i]; ++i) {
v.push_back (dgettext(package_name, array[i]));
}
return v;
}
static int32_t
int_from_hex (char hic, char loc)
{
int hi; /* hi byte */
int lo; /* low byte */
hi = (int) hic;
if( ('0'<=hi) && (hi<='9') ) {
hi -= '0';
} else if( ('a'<= hi) && (hi<= 'f') ) {
hi -= ('a'-10);
} else if( ('A'<=hi) && (hi<='F') ) {
hi -= ('A'-10);
}
lo = (int) loc;
if( ('0'<=lo) && (lo<='9') ) {
lo -= '0';
} else if( ('a'<=lo) && (lo<='f') ) {
lo -= ('a'-10);
} else if( ('A'<=lo) && (lo<='F') ) {
lo -= ('A'-10);
}
return lo + (16 * hi);
}
void
url_decode (string& url)
{
string::iterator last;
string::iterator next;
for (string::iterator i = url.begin(); i != url.end(); ++i) {
if ((*i) == '+') {
*i = ' ';
}
}
if (url.length() <= 3) {
return;
}
last = url.end();
--last; /* points at last char */
--last; /* points at last char - 1 */
for (string::iterator i = url.begin(); i != last; ) {
if (*i == '%') {
next = i;
url.erase (i);
i = next;
++next;
if (isxdigit (*i) && isxdigit (*next)) {
/* replace first digit with char */
*i = int_from_hex (*i,*next);
++i; /* points at 2nd of 2 digits */
url.erase (i);
}
} else {
++i;
}
}
}
#if 0
string
length2string (const int32_t frames, const float sample_rate)
{
int32_t secs = (int32_t) (frames / sample_rate);
int32_t hrs = secs / 3600;
secs -= (hrs * 3600);
int32_t mins = secs / 60;
secs -= (mins * 60);
int32_t total_secs = (hrs * 3600) + (mins * 60) + secs;
int32_t frames_remaining = (int) floor (frames - (total_secs * sample_rate));
float fractional_secs = (float) frames_remaining / sample_rate;
char duration_str[32];
sprintf (duration_str, "%02" PRIi32 ":%02" PRIi32 ":%05.2f", hrs, mins, (float) secs + fractional_secs);
return duration_str;
}
#endif
string
length2string (const int64_t frames, const double sample_rate)
{
int64_t secs = (int64_t) floor (frames / sample_rate);
int64_t hrs = secs / 3600LL;
secs -= (hrs * 3600LL);
int64_t mins = secs / 60LL;
secs -= (mins * 60LL);
int64_t total_secs = (hrs * 3600LL) + (mins * 60LL) + secs;
int64_t frames_remaining = (int64_t) floor (frames - (total_secs * sample_rate));
float fractional_secs = (float) frames_remaining / sample_rate;
char duration_str[64];
sprintf (duration_str, "%02" PRIi64 ":%02" PRIi64 ":%05.2f", hrs, mins, (float) secs + fractional_secs);
return duration_str;
}
} // namespace PBD
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