gecko-dev/xpcom/glue/nsCRTGlue.cpp

292 lines
7.6 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Application Update.
* This file is based on code originally located at
* mozilla/toolkit/mozapps/update/updater/updater.cpp
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCRTGlue.h"
#include "nsXPCOM.h"
#include "nsDebug.h"
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#ifdef XP_WIN
#include <io.h>
#endif
const char*
NS_strspnp(const char *delims, const char *str)
{
const char *d;
do {
for (d = delims; *d != '\0'; ++d) {
if (*str == *d) {
++str;
break;
}
}
} while (*d);
return str;
}
char*
NS_strtok(const char *delims, char **str)
{
if (!*str)
return NULL;
char *ret = (char*) NS_strspnp(delims, *str);
if (!*ret) {
*str = ret;
return NULL;
}
char *i = ret;
do {
for (const char *d = delims; *d != '\0'; ++d) {
if (*i == *d) {
*i = '\0';
*str = ++i;
return ret;
}
}
++i;
} while (*i);
*str = NULL;
return ret;
}
PRUint32
NS_strlen(const PRUnichar *aString)
{
const PRUnichar *end;
for (end = aString; *end; ++end) {
// empty loop
}
return end - aString;
}
int
NS_strcmp(const PRUnichar *a, const PRUnichar *b)
{
while (*b) {
int r = *a - *b;
if (r)
return r;
++a;
++b;
}
return *a != '\0';
}
PRUnichar*
NS_strdup(const PRUnichar *aString)
{
PRUint32 len = NS_strlen(aString);
return NS_strndup(aString, len);
}
PRUnichar*
NS_strndup(const PRUnichar *aString, PRUint32 aLen)
{
PRUnichar *newBuf = (PRUnichar*) NS_Alloc((aLen + 1) * sizeof(PRUnichar));
if (newBuf) {
memcpy(newBuf, aString, aLen * sizeof(PRUnichar));
newBuf[aLen] = '\0';
}
return newBuf;
}
char*
NS_strdup(const char *aString)
{
PRUint32 len = strlen(aString);
char *str = (char*) NS_Alloc(len + 1);
if (str) {
memcpy(str, aString, len);
str[len] = '\0';
}
return str;
}
// This table maps uppercase characters to lower case characters;
// characters that are neither upper nor lower case are unaffected.
const unsigned char nsLowerUpperUtils::kUpper2Lower[256] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
64,
// upper band mapped to lower [A-Z] => [a-z]
97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
112,113,114,115,116,117,118,119,120,121,122,
91, 92, 93, 94, 95,
96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
};
const unsigned char nsLowerUpperUtils::kLower2Upper[256] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
96,
// lower band mapped to upper [a-z] => [A-Z]
65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
123,124,125,126,127,
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
};
PRBool NS_IsUpper(char aChar)
{
return aChar != (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
}
PRBool NS_IsLower(char aChar)
{
return aChar != (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
}
PRBool NS_IsAscii(PRUnichar aChar)
{
return (0x0080 > aChar);
}
PRBool NS_IsAscii(const PRUnichar *aString)
{
while(*aString) {
if( 0x0080 <= *aString)
return PR_FALSE;
aString++;
}
return PR_TRUE;
}
PRBool NS_IsAscii(const char *aString)
{
while(*aString) {
if( 0x80 & *aString)
return PR_FALSE;
aString++;
}
return PR_TRUE;
}
PRBool NS_IsAscii(const char* aString, PRUint32 aLength)
{
const char* end = aString + aLength;
while (aString < end) {
if (0x80 & *aString)
return PR_FALSE;
++aString;
}
return PR_TRUE;
}
PRBool NS_IsAsciiAlpha(PRUnichar aChar)
{
return ((aChar >= 'A') && (aChar <= 'Z')) ||
((aChar >= 'a') && (aChar <= 'z'));
}
PRBool NS_IsAsciiWhitespace(PRUnichar aChar)
{
return aChar == ' ' ||
aChar == '\r' ||
aChar == '\n' ||
aChar == '\t';
}
PRBool NS_IsAsciiDigit(PRUnichar aChar)
{
return aChar >= '0' && aChar <= '9';
}
#if defined(XP_WIN) && !defined(WINCE)
void
printf_stderr(const char *fmt, ...)
{
FILE *fp = _fdopen(_dup(2), "a");
va_list args;
va_start(args, fmt);
vfprintf(fp, fmt, args);
va_end(args);
fclose(fp);
}
#else
void
printf_stderr(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
#endif