#ifndef lint
static char rcsid[] = "@(#$Id: smallut.cpp,v 1.25 2006-12-19 12:11:21 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef TEST_SMALLUT
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string>
#include "smallut.h"
#ifndef NO_NAMESPACES
using namespace std;
#endif /* NO_NAMESPACES */
#define MIN(A,B) ((A)<(B)?(A):(B))
int stringicmp(const string & s1, const string& s2)
{
string::const_iterator it1 = s1.begin();
string::const_iterator it2 = s2.begin();
int size1 = s1.length(), size2 = s2.length();
char c1, c2;
if (size1 > size2) {
while (it1 != s1.end()) {
c1 = ::toupper(*it1);
c2 = ::toupper(*it2);
if (c1 != c2) {
return c1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : 1;
} else {
while (it2 != s2.end()) {
c1 = ::toupper(*it1);
c2 = ::toupper(*it2);
if (c1 != c2) {
return c1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : -1;
}
}
void stringtolower(string& io)
{
string::iterator it = io.begin();
string::iterator ite = io.end();
while (it != ite) {
*it = ::tolower(*it);
it++;
}
}
extern int stringisuffcmp(const string& s1, const string& s2)
{
string::const_reverse_iterator r1 = s1.rbegin(), re1 = s1.rend(),
r2 = s2.rbegin(), re2 = s2.rend();
while (r1 != re1 && r2 != re2) {
char c1 = ::toupper(*r1);
char c2 = ::toupper(*r2);
if (c1 != c2) {
return c1 > c2 ? 1 : -1;
}
++r1; ++r2;
}
return 0;
}
// s1 is already lowercase
int stringlowercmp(const string & s1, const string& s2)
{
string::const_iterator it1 = s1.begin();
string::const_iterator it2 = s2.begin();
int size1 = s1.length(), size2 = s2.length();
char c2;
if (size1 > size2) {
while (it1 != s1.end()) {
c2 = ::tolower(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : 1;
} else {
while (it2 != s2.end()) {
c2 = ::tolower(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : -1;
}
}
// s1 is already uppercase
int stringuppercmp(const string & s1, const string& s2)
{
string::const_iterator it1 = s1.begin();
string::const_iterator it2 = s2.begin();
int size1 = s1.length(), size2 = s2.length();
char c2;
if (size1 > size2) {
while (it1 != s1.end()) {
c2 = ::toupper(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : 1;
} else {
while (it2 != s2.end()) {
c2 = ::toupper(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : -1;
}
}
// Compare charset names, removing the more common spelling variations
bool samecharset(const string &cs1, const string &cs2)
{
string mcs1, mcs2;
// Remove all - and _, turn to lowecase
for (unsigned int i = 0; i < cs1.length();i++) {
if (cs1[i] != '_' && cs1[i] != '-') {
mcs1 += ::tolower(cs1[i]);
}
}
for (unsigned int i = 0; i < cs2.length();i++) {
if (cs2[i] != '_' && cs2[i] != '-') {
mcs2 += ::tolower(cs2[i]);
}
}
return mcs1 == mcs2;
}
bool stringToStrings(const string &s, std::list<string> &tokens)
{
string current;
tokens.clear();
enum states {SPACE, TOKEN, INQUOTE, ESCAPE};
states state = SPACE;
for (unsigned int i = 0; i < s.length(); i++) {
switch (s[i]) {
case '"':
switch(state) {
case SPACE:
state=INQUOTE; continue;
case TOKEN:
current += '"';
continue;
case INQUOTE:
tokens.push_back(current);
current = "";
state = SPACE;
continue;
case ESCAPE:
current += '"';
state = INQUOTE;
continue;
}
break;
case '\\':
switch(state) {
case SPACE:
case TOKEN:
current += '\\';
state=TOKEN;
continue;
case INQUOTE:
state = ESCAPE;
continue;
case ESCAPE:
current += '\\';
state = INQUOTE;
continue;
}
break;
case ' ':
case '\t':
case '\n':
switch(state) {
case SPACE:
continue;
case TOKEN:
tokens.push_back(current);
current = "";
state = SPACE;
continue;
case INQUOTE:
case ESCAPE:
current += s[i];
continue;
}
break;
default:
switch(state) {
case ESCAPE:
state = INQUOTE;
break;
case SPACE:
state = TOKEN;
break;
case TOKEN:
case INQUOTE:
break;
}
current += s[i];
}
}
switch(state) {
case SPACE:
break;
case TOKEN:
tokens.push_back(current);
break;
case INQUOTE:
case ESCAPE:
return false;
}
return true;
}
void stringToTokens(const string& str, list<string>& tokens,
const string& delims, bool skipinit)
{
string::size_type startPos = 0, pos;
for (pos = 0;;) {
// Skip initial delims, break if this eats all.
if (skipinit &&
(startPos = str.find_first_not_of(delims, pos)) == string::npos)
break;
// Find next delimiter or end of string (end of token)
pos = str.find_first_of(delims, startPos);
// Add token to the vector. Note: token cant be empty here
if (pos == string::npos)
tokens.push_back(str.substr(startPos));
else
tokens.push_back(str.substr(startPos, pos - startPos));
}
}
bool stringToBool(const string &s)
{
if (s.empty())
return false;
if (isdigit(s[0])) {
int val = atoi(s.c_str());
return val ? true : false;
}
if (s.find_first_of("yYtT") == 0)
return true;
return false;
}
void trimstring(string &s, const char *ws)
{
string::size_type pos = s.find_first_not_of(ws);
if (pos == string::npos) {
s = "";
return;
}
s.replace(0, pos, "");
pos = s.find_last_not_of(ws);
if (pos != string::npos && pos != s.length()-1)
s.replace(pos+1, string::npos, "");
}
// Remove some chars and replace them with spaces
string neutchars(const string &str, string delims)
{
string out;
string::size_type startPos, pos;
for (pos = 0;;) {
// Skip initial delims, break if this eats all.
if ((startPos = str.find_first_not_of(delims, pos)) == string::npos)
break;
// Find next delimiter or end of string (end of token)
pos = str.find_first_of(delims, startPos);
// Add token to the output. Note: token cant be empty here
if (pos == string::npos) {
out += str.substr(startPos);
} else {
out += str.substr(startPos, pos - startPos) + " ";
}
}
return out;
}
/* Truncate a string to a given maxlength, avoiding cutting off midword
* if reasonably possible. Note: we could also use textsplit, stopping when
* we have enough, this would be cleanly utf8-aware but would remove
* punctuation */
static const string SEPAR = " \t\n\r-:.;,/[]{}";
string truncate_to_word(string & input, string::size_type maxlen)
{
string output;
if (input.length() <= maxlen) {
output = input;
} else {
output = input.substr(0, maxlen);
string::size_type space = output.find_last_of(SEPAR);
// Original version only truncated at space if space was found after
// maxlen/2. But we HAVE to truncate at space, else we'd need to do
// utf8 stuff to avoid truncating at multibyte char. In any case,
// not finding space means that the text probably has no value.
// Except probably for Asian languages, so we may want to fix this
// one day
if (space == string::npos) {
output.erase();
} else {
output.erase(space);
}
output += " ...";
}
return output;
}
// Escape things that would look like markup
string escapeHtml(const string &in)
{
string out;
for (string::size_type pos = 0; pos < in.length(); pos++) {
switch(in.at(pos)) {
case '<':
out += "<";
break;
case '&':
out += "&";
break;
default:
out += in.at(pos);
}
}
return out;
}
string escapeShell(const string &in)
{
string out;
out += "\"";
for (string::size_type pos = 0; pos < in.length(); pos++) {
switch(in.at(pos)) {
case '$':
out += "\\$";
break;
case '`':
out += "\\`";
break;
case '"':
out += "\\\"";
break;
case '\n':
out += "\\\n";
break;
case '\\':
out += "\\\\";
break;
default:
out += in.at(pos);
}
}
out += "\"";
return out;
}
// Small utility to substitute printf-like percents cmds in a string
bool pcSubst(const string& in, string& out, map<char, string>& subs)
{
string::const_iterator it;
for (it = in.begin(); it != in.end();it++) {
if (*it == '%') {
if (++it == in.end()) {
out += '%';
break;
}
if (*it == '%') {
out += '%';
continue;
}
map<char,string>::iterator tr;
if ((tr = subs.find(*it)) != subs.end()) {
out += tr->second;
} else {
out += *it;
}
} else {
out += *it;
}
}
return true;
}
////////////////////
// Internal redefinition of system time interface to help with dependancies
struct m_timespec {
time_t tv_sec;
long tv_nsec;
};
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 1
#endif
#define MILLIS(TV) ( (long)(((TV).tv_sec - m_secs) * 1000 + \
((TV).tv_nsec - m_nsecs) / 1000000))
#define MICROS(TV) ( (long)(((TV).tv_sec - m_secs) * 1000000 + \
((TV).tv_nsec - m_nsecs) / 1000))
// We use gettimeofday instead of clock_gettime for now and get only
// uS resolution, because clock_gettime is more configuration trouble
// than it's worth
static void gettime(int, struct m_timespec *ts)
{
struct timeval tv;
gettimeofday(&tv, 0);
ts->tv_sec = tv.tv_sec;
ts->tv_nsec = tv.tv_usec * 1000;
}
///// End system interface
static m_timespec frozen_tv;
void Chrono::refnow()
{
gettime(CLOCK_REALTIME, &frozen_tv);
}
Chrono::Chrono()
{
restart();
}
// Reset and return value before rest in milliseconds
long Chrono::restart()
{
struct m_timespec tv;
gettime(CLOCK_REALTIME, &tv);
long ret = MILLIS(tv);
m_secs = tv.tv_sec;
m_nsecs = tv.tv_nsec;
return ret;
}
// Get current timer value, milliseconds
long Chrono::millis(int frozen)
{
if (frozen) {
return MILLIS(frozen_tv);
} else {
struct m_timespec tv;
gettime(CLOCK_REALTIME, &tv);
return MILLIS(tv);
}
}
//
long Chrono::micros(int frozen)
{
if (frozen) {
return MICROS(frozen_tv);
} else {
struct m_timespec tv;
gettime(CLOCK_REALTIME, &tv);
return MICROS(tv);
}
}
float Chrono::secs(int frozen)
{
struct m_timespec tv;
gettime(CLOCK_REALTIME, &tv);
float secs = (float)(frozen?frozen_tv.tv_sec:tv.tv_sec - m_secs);
float nsecs = (float)(frozen?frozen_tv.tv_nsec:tv.tv_nsec - m_nsecs);
//fprintf(stderr, "secs %.2f nsecs %.2f\n", secs, nsecs);
return secs + nsecs * 1e-9;
}
#else
#include <string>
#include "smallut.h"
struct spair {
const char *s1;
const char *s2;
};
struct spair pairs[] = {
{"", ""},
{"", "a"},
{"a", ""},
{"a", "a"},
{"A", "a"},
{"a", "A"},
{"A", "A"},
{"12", "12"},
{"a", "ab"},
{"ab", "a"},
{"A", "Ab"},
{"a", "Ab"},
};
int npairs = sizeof(pairs) / sizeof(struct spair);
struct spair suffpairs[] = {
{"", ""},
{"", "a"},
{"a", ""},
{"a", "a"},
{"toto.txt", ".txt"},
{"TXT", "toto.txt"},
{"toto.txt", ".txt1"},
{"toto.txt1", ".txt"},
};
int nsuffpairs = sizeof(suffpairs) / sizeof(struct spair);
int main(int argc, char **argv)
{
#if 0
for (int i = 0; i < npairs; i++) {
{
int c = stringicmp(pairs[i].s1, pairs[i].s2);
printf("'%s' %s '%s' ", pairs[i].s1,
c == 0 ? "==" : c < 0 ? "<" : ">", pairs[i].s2);
}
{
int cl = stringlowercmp(pairs[i].s1, pairs[i].s2);
printf("L '%s' %s '%s' ", pairs[i].s1,
cl == 0 ? "==" : cl < 0 ? "<" : ">", pairs[i].s2);
}
{
int cu = stringuppercmp(pairs[i].s1, pairs[i].s2);
printf("U '%s' %s '%s' ", pairs[i].s1,
cu == 0 ? "==" : cu < 0 ? "<" : ">", pairs[i].s2);
}
printf("\n");
}
#else
for (int i = 0; i < nsuffpairs; i++) {
int c = stringisuffcmp(suffpairs[i].s1, suffpairs[i].s2);
printf("[%s] %s [%s] \n", suffpairs[i].s1,
c == 0 ? "matches" : c < 0 ? "<" : ">", suffpairs[i].s2);
}
#endif
}
#endif