diff options
Diffstat (limited to 'lib/String.cc')
| -rw-r--r-- | lib/String.cc | 1116 |
1 files changed, 558 insertions, 558 deletions
diff --git a/lib/String.cc b/lib/String.cc index b2c3dbe..c833134 100644 --- a/lib/String.cc +++ b/lib/String.cc @@ -1,558 +1,558 @@ -/* - * Baltisot - * Copyright (C) 1999-2003 Nicolas "Pixel" Noble - * - * 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 - */ - -/* $Id: String.cc,v 1.34 2004-07-23 16:56:03 pixel Exp $ */ - -#include <stdio.h> -#include <string.h> -#include <stdarg.h> -#include <ctype.h> -#include <iostream> -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#ifdef HAVE_GMP -#include <gmpxx.h> -#endif -#include "BString.h" -#include "Exceptions.h" -#include "gettext.h" - -char ** gruikptr; - -extern "C" { - double dateCalc(char *, char *); - int isDateArgument(char *); -} - -char String::t[BUFSIZ + 1]; - -String::String(const String & s) : str(Base::strdup(s.str)), siz(s.siz) { -#ifdef DEBUG - fprintf(stderr, _("Duplicating string `%s', from %p to %p, from this %p to this %p\n"), str, s.str, str, &s, this); -#endif -} - -#ifndef asprintf -extern "C" int asprintf(char **, const char *, ...); -#endif - -String::String(char c) : siz(1) { -#ifdef DEBUG - fprintf(stderr, _("Creating a string with `%c' at %p, this = %p\n"), c, str, this); -#endif -#ifndef HAVE_ASPRINTF - char * t = (char *) malloc(2); - sprintf(t, "%c", c); - str = t; -#else - asprintf(&str, "%c", c); -#endif -} - -String::String(const char * s) : str(Base::strdup(s)), siz(::strlen(str)) { -#ifdef DEBUG - fprintf(stderr, _("Creating a string with `%s' at %p from %p, this = %p\n"), str, str, s, this); -#endif -} - -String::String(int hs, char * s) : str(s), siz(hs) { -#ifdef DEBUG - fprintf(stderr, _("Fast-Creating a string with `%s' at %p from %p, this = %p\n"), str, str, s, this); -#endif -} - -String::String(int i) { -#ifndef HAVE_ASPRINTF - char t[20]; - sprintf(t, "%i", i); - str = Base::strdup(t); -#else - asprintf(&str, "%i", i); -#endif - siz = ::strlen(str); -} - -String::String(unsigned int i) { -#ifndef HAVE_ASPRINTF - char t[20]; - sprintf(t, "%u", i); - str = Base::strdup(t); -#else - asprintf(&str, "%u", i); -#endif - siz = ::strlen(str); -} - -String::String(int64 l) { -#ifndef HAVE_ASPRINTF - char t[40]; - sprintf(t, "%lld", l); - str = Base::strdup(t); -#else - asprintf(&str, "%lld", l); -#endif - siz = ::strlen(str); -} - -String::String(Uint64 l) { -#ifndef HAVE_ASPRINTF - char t[40]; - sprintf(t, "%llu", l); - str = Base::strdup(t); -#else - asprintf(&str, "%llu", l); -#endif - siz = ::strlen(str); -} - -String::String(double d) { -#ifndef HAVE_ASPRINTF - char t[30]; - sprintf(t, "%g", d); - str = Base::strdup(t); -#else - asprintf(&str, "%g", d); -#endif - siz = ::strlen(str); -} - -String::~String() { -#ifdef DEBUG - fprintf(stderr, _("Destroying string @ %p, freeing %p.\n"), this, str); -#endif - free(str); -} - -const char * String::set(const char * s, va_list ap) { - const char * r; - free(str); - if (!s) { - str = Base::strdup(""); - return str; - } - -#ifdef HAVE_GMP - gmp_vasprintf(&str, s, ap); - r = str; -#else // !HAVE_GMP -#ifdef HAVE_VASPRINTF - vasprintf(&str, s, ap); - r = str; -#else // !HAVE_VASPRINTF -#ifdef HAVE_VSNPRINTF - LOCK; - vsnprintf(t, BUFSIZ, s, ap); - str = Base::strdup(r = t); - UNLOCK; -#else // !HAVE_VSNPRINTF -#ifdef _WIN32 -#ifdef _MSC_VER - r = str = (char *) malloc(_vscprintf(s, ap) + 1); - vsprintf(str, s, ap); -#else - LOCK; - _vsnprintf(t, BUFSIZ, s, ap); - str = Base::strdup(r = t); - UNLOCK; -#endif -#else - LOCK; - vsprintf(t, s, ap); - str = Base::strdup(r = t); - UNLOCK; -#endif -#endif // HAVE_VSNPRINTF -#endif // HAVE_VASPRINTF -#endif // HAVE_GMP - siz = ::strlen(str); - return r; -} - -const char * String::set(const char * s, ...) { - const char * r; - va_list ap; - va_start(ap, s); - r = set(s, ap); - va_end(ap); - return r; -} - -const char * String::set(const ugly_string & s, ...) { - const char * r; - va_list ap; - va_start(ap, s); - r = set(s.p, ap); - va_end(ap); - return r; -} - -#ifdef HAVE_VSSCANF -int String::scanf(const char * s, ...) const { - va_list ap; - int t; - - va_start(ap, s); -#ifdef HAVE_GMP - t = gmp_vsscanf(str, s, ap); -#else - t = vsscanf(str, s, ap); -#endif - va_end(ap); - return t; -} - -int String::scanf(const ugly_string & s, ...) const { - va_list ap; - int t; - - va_start(ap, s); -#ifdef HAVE_GMP - t = gmp_vsscanf(str, s.p, ap); -#else - t = vsscanf(str, s.p, ap); -#endif - va_end(ap); - return t; -} -#endif - -const char * String::to_charp(size_t from, ssize_t to) const { - if (to < 0) { - if (from) - strncpy(t, &(str[from]), BUFSIZ); - else - return str; - } else { - if (((size_t) to) >= siz) { - to = siz - 1; - } - - if ((((size_t) to) - from) > BUFSIZ) { - from -= (to - from) - BUFSIZ; - } - - if (((size_t) to) >= from) { - size_t i; - for (i = 0; i <= ((size_t) to) - from; i++) { - t[i] = str[i + from]; - } - t[i] = '\0'; - } else { - t[0] = '\0'; - } - } - return t; -} - -String String::extract(size_t from, ssize_t to) const { - return String(to_charp(from, to)); -} - -char * String::strdup(size_t from, ssize_t to) const { - char * r; - - LOCK; - r = Base::strdup(to_charp(from, to)); - UNLOCK; - - return r; -} - -int String::to_int(void) const { - int r; - - sscanf(str, "%i", &r); - return r; -} - -double String::to_double(void) const { - double r; - - sscanf(str, "%lf", &r); - return r; -} - -String & String::operator=(const String & s) { - if (str != s.str) { - // On évite l'autodestruction... - free(str); - str = s.strdup(); - siz = s.siz; - } - return *this; -} - -String String::operator+(const String & s) const { - char * t = (char *) malloc(s.siz + siz + 1), * u; - - strcpy((u = t), str); - u += siz; - strcpy(u, s.str); - return String(siz + s.siz, t); -} - -String & String::operator+=(const String & s) { - char * t = (char *) malloc(s.siz + siz + 1), * u; - - strcpy((u = t), str); - u += siz; - strcat(u, s.str); - free(str); - str = t; - siz += s.siz; - return (*this); -} - -std::ostream & operator<<(std::ostream & os, const String & s) { - return (os << s.to_charp()); -} - -std::istream & operator>>(std::istream & is, String & s) { - char c = 0; - - s.set(""); - - while (!is.eof()) { - c = is.get(); - if (c == '\n') return is; - if (c == '\r') continue; - s += c; - } - - return is; -} - -bool String::operator!=(const String & s) const { - return (strcmp(str, s.str) != 0); -} - -bool String::operator==(const String & s) const { - return (strcmp(str, s.str) == 0); -} - -bool String::operator<=(const String & s) const { - return (strcmp(str, s.str) <= 0); -} - -bool String::operator>=(const String & s) const { - return (strcmp(str, s.str) >= 0); -} - -bool String::operator<(const String & s) const { - return (strcmp(str, s.str) < 0); -} - -bool String::operator>(const String & s) const { - return (strcmp(str, s.str) > 0); -} - -size_t String::strlen() const { - return (siz); -} - -char String::operator[](size_t i) const { - if (i >= siz) { - return 0; - } else { - return str[i]; - } -} - -char & String::operator[](size_t i) { - static char zero = 0; - - if (i >= siz) { - return zero; - } else { - return str[i]; - } -} - -ssize_t String::strchr(char c, size_t from) const { - for (size_t i = from; i < siz; i++) { - if (str[i] == c) return i; - } - - return -1; -} - -ssize_t String::strrchr(char c) const { - for (size_t i = siz - 1; i >= 0; i--) { - if (str[i] == c) return i; - } - - return -1; -} - -ssize_t String::strstr(const String & s) const { - char * p = ::strstr(str, s.str); - - if (p) { - return p - str; - } else { - return -1; - } -} - -int String::strchrcnt(char c) const { - size_t i, cnt = 0; - for (i = 0; i < siz; i++) { - if (str[i] == c) cnt++; - } - - return cnt; -} - -String String::to_sqldate(void) const { -/* DD/MM/YYYY ==> YYYYMMMDD */ - return (is_date() ? extract(6, 9) + extract(3, 4) + extract(0, 1) : ""); -} - -String String::to_sqltime(void) const { -/* h:m ==> h * 60 + m */ - int p = strchr(':'); - return (is_time() ? String(extract(0, p - 1).to_int() * 60 + extract(p + 1).to_int()) : ""); -} - -String String::from_sqldate(void) const { -/* YYYYMMDD ==> DD/MM/YYYY */ - return ((strlen() == 8) && is_number() ? extract(6, 7) + '/' + extract(4, 5) + '/' + extract(0, 3) : ""); -} - -String String::from_sqltime(void) const { -/* t ==> (t / 60):(t % 60) */ - int t = to_int(); - return (is_number() ? String((int) (t / 60)) + ':' + (t % 60) : ""); -} - -bool String::is_date(void) const { -/* 'DD/MM/YYYY' - 0123456789 */ - - if (strlen() != 10) return false; - if ((str[2] != '/') || (str[5] != '/') || - (!extract(0, 1).is_number()) || - (!extract(3, 4).is_number()) || - (!extract(6, 9).is_number())) { - return (isDateArgument(to_sqldate().str) != 0); - } - - return true; -} - -double String::datedif(const String & s) const { - double r; - if (is_date() && s.is_date()) { - r = dateCalc(str, s.str); - return r < 0 ? -r : r; - } - - return -1; -} - -bool String::is_number(void) const { - for (size_t i = ((str[0] == '-') ? 1 : 0); i < siz; i++) { - if ((str[i] > '9') || (str[i] < '0')) return false; - } - return true; -} - -bool String::is_float(void) const { - bool seendot = false; - - for (size_t i = ((str[0] == '-') ? 1 : 0); i < siz; i++) { - if ((str[i] > '9') || (str[i] < '0')) { - if ((str[i] == '.') && !seendot) { - seendot = true; - } else { - return false; - } - } - } - - return true; -} - -bool String::is_time(void) const { - int p = strchr(':'); - - if (p == -1) return false; - - // On accepte les heures sous le format xxxxxx:yy pour pouvoir indiquer des durées. - - if ((!extract(0, p - 1).is_number()) || (!extract(p + 1).is_number())) - return false; - - return (extract(p + 1).to_int() < 60) ? true : false; -} - -String operator+(const char * a, const String & b) { - return String(a) + b; -} - -String::operator ugly_string() const { - ugly_string r; - r.p = str; - return r; -} - -String & String::toupper() { - for (unsigned int i = 0; i < strlen(); i++) { - str[i] = ::toupper(str[i]); - } - - return *this; -} - -String & String::tolower() { - for (unsigned int i = 0; i < strlen(); i++) { - str[i] = ::tolower(str[i]); - } - - return *this; -} - -String String::ltrim() const { - char * d = (char *) malloc(strlen() + 1), * p, * r; - int s; - - r = d; - - for (p = str; *p && *p == ' '; p++); - for (s = 0; *p; *(d++) = *(p++), s++); - *d = 0; - - return String(s, r); -} - -String String::rtrim() const { - char * d = strdup(), * r; - int s = strlen(); - - r = d; - - for (d += s - 1; s && (*d == ' '); *(d--) = 0, s--); - - return String(s, r); -} - -String String::trim() const { - return rtrim().ltrim(); -} +/*
+ * Baltisot
+ * Copyright (C) 1999-2003 Nicolas "Pixel" Noble
+ *
+ * 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
+ */
+
+/* $Id: String.cc,v 1.35 2004-11-27 21:35:19 pixel Exp $ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <iostream>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef HAVE_GMP
+#include <gmpxx.h>
+#endif
+#include "BString.h"
+#include "Exceptions.h"
+#include "gettext.h"
+
+char ** gruikptr;
+
+extern "C" {
+ double dateCalc(char *, char *);
+ int isDateArgument(char *);
+}
+
+char String::t[BUFSIZ + 1];
+
+String::String(const String & s) : str(Base::strdup(s.str)), siz(s.siz) {
+#ifdef DEBUG
+ fprintf(stderr, _("Duplicating string `%s', from %p to %p, from this %p to this %p\n"), str, s.str, str, &s, this);
+#endif
+}
+
+#ifndef asprintf
+extern "C" int asprintf(char **, const char *, ...);
+#endif
+
+String::String(char c) : siz(1) {
+#ifdef DEBUG
+ fprintf(stderr, _("Creating a string with `%c' at %p, this = %p\n"), c, str, this);
+#endif
+#ifndef HAVE_ASPRINTF
+ char * t = (char *) malloc(2);
+ sprintf(t, "%c", c);
+ str = t;
+#else
+ asprintf(&str, "%c", c);
+#endif
+}
+
+String::String(const char * s) : str(Base::strdup(s)), siz(::strlen(str)) {
+#ifdef DEBUG
+ fprintf(stderr, _("Creating a string with `%s' at %p from %p, this = %p\n"), str, str, s, this);
+#endif
+}
+
+String::String(int hs, char * s) : str(s), siz(hs) {
+#ifdef DEBUG
+ fprintf(stderr, _("Fast-Creating a string with `%s' at %p from %p, this = %p\n"), str, str, s, this);
+#endif
+}
+
+String::String(int i) {
+#ifndef HAVE_ASPRINTF
+ char t[20];
+ sprintf(t, "%i", i);
+ str = Base::strdup(t);
+#else
+ asprintf(&str, "%i", i);
+#endif
+ siz = ::strlen(str);
+}
+
+String::String(unsigned int i) {
+#ifndef HAVE_ASPRINTF
+ char t[20];
+ sprintf(t, "%u", i);
+ str = Base::strdup(t);
+#else
+ asprintf(&str, "%u", i);
+#endif
+ siz = ::strlen(str);
+}
+
+String::String(int64 l) {
+#ifndef HAVE_ASPRINTF
+ char t[40];
+ sprintf(t, "%lld", l);
+ str = Base::strdup(t);
+#else
+ asprintf(&str, "%lld", l);
+#endif
+ siz = ::strlen(str);
+}
+
+String::String(Uint64 l) {
+#ifndef HAVE_ASPRINTF
+ char t[40];
+ sprintf(t, "%llu", l);
+ str = Base::strdup(t);
+#else
+ asprintf(&str, "%llu", l);
+#endif
+ siz = ::strlen(str);
+}
+
+String::String(double d) {
+#ifndef HAVE_ASPRINTF
+ char t[30];
+ sprintf(t, "%g", d);
+ str = Base::strdup(t);
+#else
+ asprintf(&str, "%g", d);
+#endif
+ siz = ::strlen(str);
+}
+
+String::~String() {
+#ifdef DEBUG
+ fprintf(stderr, _("Destroying string @ %p, freeing %p.\n"), this, str);
+#endif
+ free(str);
+}
+
+const char * String::set(const char * s, va_list ap) {
+ const char * r;
+ free(str);
+ if (!s) {
+ str = Base::strdup("");
+ return str;
+ }
+
+#ifdef HAVE_GMP
+ gmp_vasprintf(&str, s, ap);
+ r = str;
+#else // !HAVE_GMP
+#ifdef HAVE_VASPRINTF
+ vasprintf(&str, s, ap);
+ r = str;
+#else // !HAVE_VASPRINTF
+#ifdef HAVE_VSNPRINTF
+ LOCK;
+ vsnprintf(t, BUFSIZ, s, ap);
+ str = Base::strdup(r = t);
+ UNLOCK;
+#else // !HAVE_VSNPRINTF
+#ifdef _WIN32
+#ifdef _MSC_VER
+ r = str = (char *) malloc(_vscprintf(s, ap) + 1);
+ vsprintf(str, s, ap);
+#else
+ LOCK;
+ _vsnprintf(t, BUFSIZ, s, ap);
+ str = Base::strdup(r = t);
+ UNLOCK;
+#endif
+#else
+ LOCK;
+ vsprintf(t, s, ap);
+ str = Base::strdup(r = t);
+ UNLOCK;
+#endif
+#endif // HAVE_VSNPRINTF
+#endif // HAVE_VASPRINTF
+#endif // HAVE_GMP
+ siz = ::strlen(str);
+ return r;
+}
+
+const char * String::set(const char * s, ...) {
+ const char * r;
+ va_list ap;
+ va_start(ap, s);
+ r = set(s, ap);
+ va_end(ap);
+ return r;
+}
+
+const char * String::set(const ugly_string & s, ...) {
+ const char * r;
+ va_list ap;
+ va_start(ap, s);
+ r = set(s.p, ap);
+ va_end(ap);
+ return r;
+}
+
+#ifdef HAVE_VSSCANF
+int String::scanf(const char * s, ...) const {
+ va_list ap;
+ int t;
+
+ va_start(ap, s);
+#ifdef HAVE_GMP
+ t = gmp_vsscanf(str, s, ap);
+#else
+ t = vsscanf(str, s, ap);
+#endif
+ va_end(ap);
+ return t;
+}
+
+int String::scanf(const ugly_string & s, ...) const {
+ va_list ap;
+ int t;
+
+ va_start(ap, s);
+#ifdef HAVE_GMP
+ t = gmp_vsscanf(str, s.p, ap);
+#else
+ t = vsscanf(str, s.p, ap);
+#endif
+ va_end(ap);
+ return t;
+}
+#endif
+
+const char * String::to_charp(size_t from, ssize_t to) const {
+ if (to < 0) {
+ if (from)
+ strncpy(t, &(str[from]), BUFSIZ);
+ else
+ return str;
+ } else {
+ if (((size_t) to) >= siz) {
+ to = siz - 1;
+ }
+
+ if ((((size_t) to) - from) > BUFSIZ) {
+ from -= (to - from) - BUFSIZ;
+ }
+
+ if (((size_t) to) >= from) {
+ size_t i;
+ for (i = 0; i <= ((size_t) to) - from; i++) {
+ t[i] = str[i + from];
+ }
+ t[i] = '\0';
+ } else {
+ t[0] = '\0';
+ }
+ }
+ return t;
+}
+
+String String::extract(size_t from, ssize_t to) const {
+ return String(to_charp(from, to));
+}
+
+char * String::strdup(size_t from, ssize_t to) const {
+ char * r;
+
+ LOCK;
+ r = Base::strdup(to_charp(from, to));
+ UNLOCK;
+
+ return r;
+}
+
+int String::to_int(void) const {
+ int r;
+
+ sscanf(str, "%i", &r);
+ return r;
+}
+
+double String::to_double(void) const {
+ double r;
+
+ sscanf(str, "%lf", &r);
+ return r;
+}
+
+String & String::operator=(const String & s) {
+ if (str != s.str) {
+ // On évite l'autodestruction...
+ free(str);
+ str = s.strdup();
+ siz = s.siz;
+ }
+ return *this;
+}
+
+String String::operator+(const String & s) const {
+ char * t = (char *) malloc(s.siz + siz + 1), * u;
+
+ strcpy((u = t), str);
+ u += siz;
+ strcpy(u, s.str);
+ return String(siz + s.siz, t);
+}
+
+String & String::operator+=(const String & s) {
+ char * t = (char *) malloc(s.siz + siz + 1), * u;
+
+ strcpy((u = t), str);
+ u += siz;
+ strcat(u, s.str);
+ free(str);
+ str = t;
+ siz += s.siz;
+ return (*this);
+}
+
+std::ostream & operator<<(std::ostream & os, const String & s) {
+ return (os << s.to_charp());
+}
+
+std::istream & operator>>(std::istream & is, String & s) {
+ char c = 0;
+
+ s.set("");
+
+ while (!is.eof()) {
+ c = is.get();
+ if (c == '\n') return is;
+ if (c == '\r') continue;
+ s += c;
+ }
+
+ return is;
+}
+
+bool String::operator!=(const String & s) const {
+ return (strcmp(str, s.str) != 0);
+}
+
+bool String::operator==(const String & s) const {
+ return (strcmp(str, s.str) == 0);
+}
+
+bool String::operator<=(const String & s) const {
+ return (strcmp(str, s.str) <= 0);
+}
+
+bool String::operator>=(const String & s) const {
+ return (strcmp(str, s.str) >= 0);
+}
+
+bool String::operator<(const String & s) const {
+ return (strcmp(str, s.str) < 0);
+}
+
+bool String::operator>(const String & s) const {
+ return (strcmp(str, s.str) > 0);
+}
+
+size_t String::strlen() const {
+ return (siz);
+}
+
+char String::operator[](size_t i) const {
+ if (i >= siz) {
+ return 0;
+ } else {
+ return str[i];
+ }
+}
+
+char & String::operator[](size_t i) {
+ static char zero = 0;
+
+ if (i >= siz) {
+ return zero;
+ } else {
+ return str[i];
+ }
+}
+
+ssize_t String::strchr(char c, size_t from) const {
+ for (size_t i = from; i < siz; i++) {
+ if (str[i] == c) return i;
+ }
+
+ return -1;
+}
+
+ssize_t String::strrchr(char c) const {
+ for (size_t i = siz - 1; i >= 0; i--) {
+ if (str[i] == c) return i;
+ }
+
+ return -1;
+}
+
+ssize_t String::strstr(const String & s) const {
+ char * p = ::strstr(str, s.str);
+
+ if (p) {
+ return p - str;
+ } else {
+ return -1;
+ }
+}
+
+int String::strchrcnt(char c) const {
+ size_t i, cnt = 0;
+ for (i = 0; i < siz; i++) {
+ if (str[i] == c) cnt++;
+ }
+
+ return cnt;
+}
+
+String String::to_sqldate(void) const {
+/* DD/MM/YYYY ==> YYYYMMMDD */
+ return (is_date() ? extract(6, 9) + extract(3, 4) + extract(0, 1) : "");
+}
+
+String String::to_sqltime(void) const {
+/* h:m ==> h * 60 + m */
+ int p = strchr(':');
+ return (is_time() ? String(extract(0, p - 1).to_int() * 60 + extract(p + 1).to_int()) : "");
+}
+
+String String::from_sqldate(void) const {
+/* YYYYMMDD ==> DD/MM/YYYY */
+ return ((strlen() == 8) && is_number() ? extract(6, 7) + '/' + extract(4, 5) + '/' + extract(0, 3) : "");
+}
+
+String String::from_sqltime(void) const {
+/* t ==> (t / 60):(t % 60) */
+ int t = to_int();
+ return (is_number() ? String((int) (t / 60)) + ':' + (t % 60) : "");
+}
+
+bool String::is_date(void) const {
+/* 'DD/MM/YYYY'
+ 0123456789 */
+
+ if (strlen() != 10) return false;
+ if ((str[2] != '/') || (str[5] != '/') ||
+ (!extract(0, 1).is_number()) ||
+ (!extract(3, 4).is_number()) ||
+ (!extract(6, 9).is_number())) {
+ return (isDateArgument(to_sqldate().str) != 0);
+ }
+
+ return true;
+}
+
+double String::datedif(const String & s) const {
+ double r;
+ if (is_date() && s.is_date()) {
+ r = dateCalc(str, s.str);
+ return r < 0 ? -r : r;
+ }
+
+ return -1;
+}
+
+bool String::is_number(void) const {
+ for (size_t i = ((str[0] == '-') ? 1 : 0); i < siz; i++) {
+ if ((str[i] > '9') || (str[i] < '0')) return false;
+ }
+ return true;
+}
+
+bool String::is_float(void) const {
+ bool seendot = false;
+
+ for (size_t i = ((str[0] == '-') ? 1 : 0); i < siz; i++) {
+ if ((str[i] > '9') || (str[i] < '0')) {
+ if ((str[i] == '.') && !seendot) {
+ seendot = true;
+ } else {
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+bool String::is_time(void) const {
+ int p = strchr(':');
+
+ if (p == -1) return false;
+
+ // On accepte les heures sous le format xxxxxx:yy pour pouvoir indiquer des durées.
+
+ if ((!extract(0, p - 1).is_number()) || (!extract(p + 1).is_number()))
+ return false;
+
+ return (extract(p + 1).to_int() < 60) ? true : false;
+}
+
+String operator+(const char * a, const String & b) {
+ return String(a) + b;
+}
+
+String::operator ugly_string() const {
+ ugly_string r;
+ r.p = str;
+ return r;
+}
+
+String & String::toupper() {
+ for (unsigned int i = 0; i < strlen(); i++) {
+ str[i] = ::toupper(str[i]);
+ }
+
+ return *this;
+}
+
+String & String::tolower() {
+ for (unsigned int i = 0; i < strlen(); i++) {
+ str[i] = ::tolower(str[i]);
+ }
+
+ return *this;
+}
+
+String String::ltrim() const {
+ char * d = (char *) malloc(strlen() + 1), * p, * r;
+ int s;
+
+ r = d;
+
+ for (p = str; *p && *p == ' '; p++);
+ for (s = 0; *p; *(d++) = *(p++), s++);
+ *d = 0;
+
+ return String(s, r);
+}
+
+String String::rtrim() const {
+ char * d = strdup(), * r;
+ int s = strlen();
+
+ r = d;
+
+ for (d += s - 1; s && (*d == ' '); *(d--) = 0, s--);
+
+ return String(s, r);
+}
+
+String String::trim() const {
+ return rtrim().ltrim();
+}
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