-/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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.
-
-GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-//need to rewrite this
-
-#include "util_str.h"
-#include <stdlib.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-#ifdef _WIN32
-#pragma warning(disable : 4244) // 'conversion' conversion from 'type1' to 'type2', possible loss of data
-#pragma warning(disable : 4710) // function 'blah' not inlined
-#endif
-
-static const int STR_ALLOC_GRAN = 20;
-
-// screwy but intentional
-#ifdef __APPLE_BUG__
-char *idStr::__tolower
-#else
-char *idStr::tolower
-#endif
- (
- char *s1
- )
-
- {
- char *s;
-
- s = s1;
- while( *s )
- {
- *s = ::tolower( *s );
- s++;
- }
-
- return s1;
- }
-
-// screwy but intentional
-#ifdef __APPLE_BUG__
-char *idStr::__toupper
-#else
-char *idStr::toupper
-#endif
- (
- char *s1
- )
-
- {
- char *s;
-
- s = s1;
- while( *s )
- {
- *s = ::toupper( *s );
- s++;
- }
-
- return s1;
- }
-
-int idStr::icmpn
- (
- const char *s1,
- const char *s2,
- int n
- )
-
- {
- int c1;
- int c2;
-
- do
- {
- c1 = *s1++;
- c2 = *s2++;
-
- if ( !n-- )
- {
- // idStrings are equal until end point
- return 0;
- }
-
- if ( c1 != c2 )
- {
- if ( c1 >= 'a' && c1 <= 'z' )
- {
- c1 -= ( 'a' - 'A' );
- }
-
- if ( c2 >= 'a' && c2 <= 'z' )
- {
- c2 -= ( 'a' - 'A' );
- }
-
- if ( c1 < c2 )
- {
- // strings less than
- return -1;
- }
- else if ( c1 > c2 )
- {
- // strings greater than
- return 1;
- }
- }
- }
- while( c1 );
-
- // strings are equal
- return 0;
- }
-
-int idStr::icmp
- (
- const char *s1,
- const char *s2
- )
-
- {
- int c1;
- int c2;
-
- do
- {
- c1 = *s1++;
- c2 = *s2++;
-
- if ( c1 != c2 )
- {
- if ( c1 >= 'a' && c1 <= 'z' )
- {
- c1 -= ( 'a' - 'A' );
- }
-
- if ( c2 >= 'a' && c2 <= 'z' )
- {
- c2 -= ( 'a' - 'A' );
- }
-
- if ( c1 < c2 )
- {
- // strings less than
- return -1;
- }
- else if ( c1 > c2 )
- {
- // strings greater than
- return 1;
- }
- }
- }
- while( c1 );
-
- // strings are equal
- return 0;
- }
-
-int idStr::cmpn
- (
- const char *s1,
- const char *s2,
- int n
- )
-
- {
- int c1;
- int c2;
-
- do
- {
- c1 = *s1++;
- c2 = *s2++;
-
- if ( !n-- )
- {
- // strings are equal until end point
- return 0;
- }
-
- if ( c1 < c2 )
- {
- // strings less than
- return -1;
- }
- else if ( c1 > c2 )
- {
- // strings greater than
- return 1;
- }
- }
- while( c1 );
-
- // strings are equal
- return 0;
- }
-
-int idStr::cmp
- (
- const char *s1,
- const char *s2
- )
-
- {
- int c1;
- int c2;
-
- do
- {
- c1 = *s1++;
- c2 = *s2++;
-
- if ( c1 < c2 )
- {
- // strings less than
- return -1;
- }
- else if ( c1 > c2 )
- {
- // strings greater than
- return 1;
- }
- }
- while( c1 );
-
- // strings are equal
- return 0;
- }
-
-/*
-============
-IsNumeric
-
-Checks a string to see if it contains only numerical values.
-============
-*/
-bool idStr::isNumeric
- (
- const char *str
- )
-
- {
- int len;
- int i;
- bool dot;
-
- if ( *str == '-' )
- {
- str++;
- }
-
- dot = false;
- len = strlen( str );
- for( i = 0; i < len; i++ )
- {
- if ( !isdigit( str[ i ] ) )
- {
- if ( ( str[ i ] == '.' ) && !dot )
- {
- dot = true;
- continue;
- }
- return false;
- }
- }
-
- return true;
- }
-
-idStr operator+
- (
- const idStr& a,
- const float b
- )
-
- {
- char text[ 20 ];
-
- idStr result( a );
-
- sprintf( text, "%f", b );
- result.append( text );
-
- return result;
- }
-
-idStr operator+
- (
- const idStr& a,
- const int b
- )
-
- {
- char text[ 20 ];
-
- idStr result( a );
-
- sprintf( text, "%d", b );
- result.append( text );
-
- return result;
- }
-
-idStr operator+
- (
- const idStr& a,
- const unsigned b
- )
-
- {
- char text[ 20 ];
-
- idStr result( a );
-
- sprintf( text, "%u", b );
- result.append( text );
-
- return result;
- }
-
-idStr& idStr::operator+=
- (
- const float a
- )
-
- {
- char text[ 20 ];
-
- sprintf( text, "%f", a );
- append( text );
-
- return *this;
- }
-
-idStr& idStr::operator+=
- (
- const int a
- )
-
- {
- char text[ 20 ];
-
- sprintf( text, "%d", a );
- append( text );
-
- return *this;
- }
-
-idStr& idStr::operator+=
- (
- const unsigned a
- )
-
- {
- char text[ 20 ];
-
- sprintf( text, "%u", a );
- append( text );
-
- return *this;
- }
-
-void idStr::CapLength
- (
- int newlen
- )
-
- {
- assert ( m_data );
-
- if ( length() <= newlen )
- return;
-
- EnsureDataWritable ();
-
- m_data->data[newlen] = 0;
- m_data->len = newlen;
- }
-
-void idStr::EnsureDataWritable
- (
- void
- )
-
- {
- assert ( m_data );
- strdata *olddata;
- int len;
-
- if ( !m_data->refcount )
- return;
-
- olddata = m_data;
- len = length();
-
- m_data = new strdata;
-
- EnsureAlloced ( len + 1, false );
- strncpy ( m_data->data, olddata->data, len+1 );
- m_data->len = len;
-
- olddata->DelRef ();
- }
-
-void idStr::EnsureAlloced (int amount, bool keepold) {
-
- if ( !m_data ) {
- m_data = new strdata();
- }
-
- // Now, let's make sure it's writable
- EnsureDataWritable ();
-
- char *newbuffer;
- bool wasalloced = ( m_data->alloced != 0 );
-
- if ( amount < m_data->alloced ) {
- return;
- }
-
- assert ( amount );
- if ( amount == 1 ) {
- m_data->alloced = 1;
- } else {
- int newsize, mod;
- mod = amount % STR_ALLOC_GRAN;
- if ( !mod ) {
- newsize = amount;
- } else {
- newsize = amount + STR_ALLOC_GRAN - mod;
- }
- m_data->alloced = newsize;
- }
-
- newbuffer = new char[m_data->alloced];
- if ( wasalloced && keepold ) {
- strcpy ( newbuffer, m_data->data );
- }
-
- if ( m_data->data ) {
- delete [] m_data->data;
- }
- m_data->data = newbuffer;
-}
-
-void idStr::BackSlashesToSlashes
- (
- void
- )
-
- {
- int i;
-
- EnsureDataWritable ();
-
- for ( i=0; i < m_data->len; i++ )
- {
- if ( m_data->data[i] == '\\' )
- m_data->data[i] = '/';
- }
- }
-
-void idStr::snprintf
- (
- char *dst,
- int size,
- const char *fmt,
- ...
- )
-
- {
- char buffer[0x10000];
- int len;
- va_list argptr;
-
- va_start (argptr,fmt);
- len = vsprintf (buffer,fmt,argptr);
- va_end (argptr);
-
- assert ( len < size );
-
- strncpy (dst, buffer, size-1);
- }
-
-#ifdef _WIN32
-#pragma warning(disable : 4189) // local variable is initialized but not referenced
-#endif
-
-/*
-=================
-TestStringClass
-
-This is a fairly rigorous test of the idStr class's functionality.
-Because of the fairly global and subtle ramifications of a bug occuring
-in this class, it should be run after any changes to the class.
-Add more tests as functionality is changed. Tests should include
-any possible bounds violation and NULL data tests.
-=================
-*/
-void TestStringClass
- (
- void
- )
-
- {
- char ch; // ch == ?
- idStr *t; // t == ?
- idStr a; // a.len == 0, a.data == "\0"
- idStr b; // b.len == 0, b.data == "\0"
- idStr c( "test" ); // c.len == 4, c.data == "test\0"
- idStr d( c ); // d.len == 4, d.data == "test\0"
- idStr e( reinterpret_cast<const char *>(NULL) );
- // e.len == 0, e.data == "\0" ASSERT!
- int i; // i == ?
-
- i = a.length(); // i == 0
- i = c.length(); // i == 4
-
- const char *s1 = a.c_str(); // s1 == "\0"
- const char *s2 = c.c_str(); // s2 == "test\0"
-
- t = new idStr(); // t->len == 0, t->data == "\0"
- delete t; // t == ?
-
- b = "test"; // b.len == 4, b.data == "test\0"
- t = new idStr( "test" ); // t->len == 4, t->data == "test\0"
- delete t; // t == ?
-
- a = c; // a.len == 4, a.data == "test\0"
-// a = "";
- a = NULL; // a.len == 0, a.data == "\0" ASSERT!
- a = c + d; // a.len == 8, a.data == "testtest\0"
- a = c + "wow"; // a.len == 7, a.data == "testwow\0"
- a = c + reinterpret_cast<const char *>(NULL);
- // a.len == 4, a.data == "test\0" ASSERT!
- a = "this" + d; // a.len == 8, a.data == "thistest\0"
- a = reinterpret_cast<const char *>(NULL) + d;
- // a.len == 4, a.data == "test\0" ASSERT!
- a += c; // a.len == 8, a.data == "testtest\0"
- a += "wow"; // a.len == 11, a.data == "testtestwow\0"
- a += reinterpret_cast<const char *>(NULL);
- // a.len == 11, a.data == "testtestwow\0" ASSERT!
-
- a = "test"; // a.len == 4, a.data == "test\0"
- ch = a[ 0 ]; // ch == 't'
- ch = a[ -1 ]; // ch == 0 ASSERT!
- ch = a[ 1000 ]; // ch == 0 ASSERT!
- ch = a[ 0 ]; // ch == 't'
- ch = a[ 1 ]; // ch == 'e'
- ch = a[ 2 ]; // ch == 's'
- ch = a[ 3 ]; // ch == 't'
- ch = a[ 4 ]; // ch == '\0' ASSERT!
- ch = a[ 5 ]; // ch == '\0' ASSERT!
-
- a[ 1 ] = 'b'; // a.len == 4, a.data == "tbst\0"
- a[ -1 ] = 'b'; // a.len == 4, a.data == "tbst\0" ASSERT!
- a[ 0 ] = '0'; // a.len == 4, a.data == "0bst\0"
- a[ 1 ] = '1'; // a.len == 4, a.data == "01st\0"
- a[ 2 ] = '2'; // a.len == 4, a.data == "012t\0"
- a[ 3 ] = '3'; // a.len == 4, a.data == "0123\0"
- a[ 4 ] = '4'; // a.len == 4, a.data == "0123\0" ASSERT!
- a[ 5 ] = '5'; // a.len == 4, a.data == "0123\0" ASSERT!
- a[ 7 ] = '7'; // a.len == 4, a.data == "0123\0" ASSERT!
-
- a = "test"; // a.len == 4, a.data == "test\0"
- b = "no"; // b.len == 2, b.data == "no\0"
-
- i = ( a == b ); // i == 0
- i = ( a == c ); // i == 1
-
- i = ( a == "blow" ); // i == 0
- i = ( a == "test" ); // i == 1
- i = ( a == NULL ); // i == 0 ASSERT!
-
- i = ( "test" == b ); // i == 0
- i = ( "test" == a ); // i == 1
- i = ( NULL == a ); // i == 0 ASSERT!
-
- i = ( a != b ); // i == 1
- i = ( a != c ); // i == 0
-
- i = ( a != "blow" ); // i == 1
- i = ( a != "test" ); // i == 0
- i = ( a != NULL ); // i == 1 ASSERT!
-
- i = ( "test" != b ); // i == 1
- i = ( "test" != a ); // i == 0
- i = ( NULL != a ); // i == 1 ASSERT!
-
- a = "test"; // a.data == "test"
- b = a; // b.data == "test"
-
- a = "not"; // a.data == "not", b.data == "test"
-
- a = b; // a.data == b.data == "test"
-
- a += b; // a.data == "testtest", b.data = "test"
-
- a = b;
-
- a[1] = '1'; // a.data = "t1st", b.data = "test"
- }
-
-#ifdef _WIN32
-#pragma warning(default : 4189) // local variable is initialized but not referenced
-#pragma warning(disable : 4514) // unreferenced inline function has been removed
-#endif
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