mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-11-03 19:05:35 +00:00
442 lines
9.6 KiB
C++
442 lines
9.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCRTGlue.h"
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#include "nsXPCOM.h"
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#include "nsDebug.h"
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#include "prtime.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "mozilla/Snprintf.h"
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#ifdef XP_WIN
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#include <io.h>
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#include <windows.h>
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#include "mozilla/UniquePtr.h"
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#endif
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#ifdef ANDROID
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#include <android/log.h>
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#include <unistd.h>
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#endif
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using namespace mozilla;
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const char*
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NS_strspnp(const char* aDelims, const char* aStr)
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{
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const char* d;
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do {
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for (d = aDelims; *d != '\0'; ++d) {
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if (*aStr == *d) {
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++aStr;
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break;
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}
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}
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} while (*d);
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return aStr;
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}
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char*
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NS_strtok(const char* aDelims, char** aStr)
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{
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if (!*aStr) {
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return nullptr;
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}
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char* ret = (char*)NS_strspnp(aDelims, *aStr);
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if (!*ret) {
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*aStr = ret;
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return nullptr;
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}
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char* i = ret;
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do {
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for (const char* d = aDelims; *d != '\0'; ++d) {
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if (*i == *d) {
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*i = '\0';
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*aStr = ++i;
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return ret;
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}
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}
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++i;
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} while (*i);
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*aStr = nullptr;
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return ret;
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}
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uint32_t
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NS_strlen(const char16_t* aString)
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{
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MOZ_ASSERT(aString);
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const char16_t* end;
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for (end = aString; *end; ++end) {
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// empty loop
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}
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return end - aString;
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}
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int
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NS_strcmp(const char16_t* aStrA, const char16_t* aStrB)
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{
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while (*aStrB) {
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int r = *aStrA - *aStrB;
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if (r) {
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return r;
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}
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++aStrA;
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++aStrB;
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}
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return *aStrA != '\0';
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}
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int
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NS_strncmp(const char16_t* aStrA, const char16_t* aStrB, size_t aLen)
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{
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while (aLen && *aStrB) {
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int r = *aStrA - *aStrB;
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if (r) {
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return r;
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}
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++aStrA;
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++aStrB;
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--aLen;
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}
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return aLen ? *aStrA != '\0' : *aStrA - *aStrB;
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}
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char16_t*
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NS_strdup(const char16_t* aString)
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{
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uint32_t len = NS_strlen(aString);
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return NS_strndup(aString, len);
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}
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template<typename CharT>
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CharT*
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NS_strndup(const CharT* aString, uint32_t aLen)
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{
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auto newBuf = (CharT*)NS_Alloc((aLen + 1) * sizeof(CharT));
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if (newBuf) {
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memcpy(newBuf, aString, aLen * sizeof(CharT));
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newBuf[aLen] = '\0';
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}
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return newBuf;
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}
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template char16_t* NS_strndup<char16_t>(const char16_t* aString, uint32_t aLen);
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template char* NS_strndup<char>(const char* aString, uint32_t aLen);
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char*
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NS_strdup(const char* aString)
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{
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uint32_t len = strlen(aString);
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char* str = (char*)NS_Alloc(len + 1);
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if (str) {
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memcpy(str, aString, len);
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str[len] = '\0';
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}
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return str;
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}
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// This table maps uppercase characters to lower case characters;
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// characters that are neither upper nor lower case are unaffected.
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const unsigned char nsLowerUpperUtils::kUpper2Lower[256] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
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48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
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64,
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// upper band mapped to lower [A-Z] => [a-z]
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97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,
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91, 92, 93, 94, 95,
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96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
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112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
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128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
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144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
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160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
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176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
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192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
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208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
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224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
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240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
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};
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const unsigned char nsLowerUpperUtils::kLower2Upper[256] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
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48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
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64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
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80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
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96,
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// lower band mapped to upper [a-z] => [A-Z]
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65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
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80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
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123,124,125,126,127,
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128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
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144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
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160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
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176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
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192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
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208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
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224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
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240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
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};
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bool
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NS_IsUpper(char aChar)
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{
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return aChar != (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
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}
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bool
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NS_IsLower(char aChar)
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{
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return aChar != (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
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}
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bool
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NS_IsAscii(char16_t aChar)
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{
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return (0x0080 > aChar);
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}
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bool
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NS_IsAscii(const char16_t* aString)
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{
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while (*aString) {
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if (0x0080 <= *aString) {
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return false;
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}
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aString++;
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}
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return true;
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}
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bool
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NS_IsAscii(const char* aString)
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{
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while (*aString) {
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if (0x80 & *aString) {
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return false;
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}
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aString++;
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}
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return true;
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}
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bool
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NS_IsAscii(const char* aString, uint32_t aLength)
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{
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const char* end = aString + aLength;
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while (aString < end) {
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if (0x80 & *aString) {
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return false;
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}
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++aString;
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}
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return true;
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}
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bool
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NS_IsAsciiAlpha(char16_t aChar)
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{
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return (aChar >= 'A' && aChar <= 'Z') ||
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(aChar >= 'a' && aChar <= 'z');
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}
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bool
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NS_IsAsciiWhitespace(char16_t aChar)
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{
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return aChar == ' ' ||
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aChar == '\r' ||
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aChar == '\n' ||
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aChar == '\t';
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}
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bool
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NS_IsAsciiDigit(char16_t aChar)
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{
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return aChar >= '0' && aChar <= '9';
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}
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#ifndef XPCOM_GLUE_AVOID_NSPR
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void
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NS_MakeRandomString(char* aBuf, int32_t aBufLen)
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{
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#define TABLE_SIZE 36
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static const char table[] = {
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
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'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
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'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3',
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'4', '5', '6', '7', '8', '9'
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};
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// turn PR_Now() into milliseconds since epoch
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// and salt rand with that.
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static unsigned int seed = 0;
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if (seed == 0) {
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double fpTime = double(PR_Now());
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seed = (unsigned int)(fpTime * 1e-6 + 0.5); // use 1e-6, granularity of PR_Now() on the mac is seconds
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srand(seed);
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}
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int32_t i;
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for (i = 0; i < aBufLen; ++i) {
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*aBuf++ = table[rand() % TABLE_SIZE];
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}
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*aBuf = 0;
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}
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#endif
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static StderrCallback sStderrCallback = nullptr;
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void
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set_stderr_callback(StderrCallback aCallback)
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{
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sStderrCallback = aCallback;
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}
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#if defined(ANDROID) && !defined(RELEASE_BUILD)
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static FILE* sStderrCopy = nullptr;
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void
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stderr_to_file(const char* aFmt, va_list aArgs)
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{
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vfprintf(sStderrCopy, aFmt, aArgs);
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}
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void
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copy_stderr_to_file(const char* aFile)
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{
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if (sStderrCopy) {
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return;
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}
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size_t buflen = strlen(aFile) + 16;
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char* buf = (char*)malloc(buflen);
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snprintf(buf, buflen, "%s.%u", aFile, (uint32_t)getpid());
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sStderrCopy = fopen(buf, "w");
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free(buf);
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set_stderr_callback(stderr_to_file);
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}
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#endif
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#ifdef HAVE_VA_COPY
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#define VARARGS_ASSIGN(foo, bar) VA_COPY(foo,bar)
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#elif defined(HAVE_VA_LIST_AS_ARRAY)
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#define VARARGS_ASSIGN(foo, bar) foo[0] = bar[0]
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#else
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#define VARARGS_ASSIGN(foo, bar) (foo) = (bar)
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#endif
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#if defined(XP_WIN)
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void
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vprintf_stderr(const char* aFmt, va_list aArgs)
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{
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if (sStderrCallback) {
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va_list argsCpy;
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VARARGS_ASSIGN(argsCpy, aArgs);
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sStderrCallback(aFmt, aArgs);
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va_end(argsCpy);
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}
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if (IsDebuggerPresent()) {
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int lengthNeeded = _vscprintf(aFmt, aArgs);
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if (lengthNeeded) {
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lengthNeeded++;
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auto buf = MakeUnique<char[]>(lengthNeeded);
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if (buf) {
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va_list argsCpy;
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VARARGS_ASSIGN(argsCpy, aArgs);
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vsnprintf(buf.get(), lengthNeeded, aFmt, argsCpy);
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buf[lengthNeeded - 1] = '\0';
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va_end(argsCpy);
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OutputDebugStringA(buf.get());
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}
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}
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}
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FILE* fp = _fdopen(_dup(2), "a");
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if (!fp) {
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return;
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}
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vfprintf(fp, aFmt, aArgs);
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fclose(fp);
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}
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#elif defined(ANDROID)
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void
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vprintf_stderr(const char* aFmt, va_list aArgs)
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{
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if (sStderrCallback) {
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va_list argsCpy;
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VARARGS_ASSIGN(argsCpy, aArgs);
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sStderrCallback(aFmt, aArgs);
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va_end(argsCpy);
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}
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__android_log_vprint(ANDROID_LOG_INFO, "Gecko", aFmt, aArgs);
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}
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#else
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void
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vprintf_stderr(const char* aFmt, va_list aArgs)
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{
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if (sStderrCallback) {
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va_list argsCpy;
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VARARGS_ASSIGN(argsCpy, aArgs);
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sStderrCallback(aFmt, aArgs);
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va_end(argsCpy);
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}
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vfprintf(stderr, aFmt, aArgs);
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}
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#endif
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void
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printf_stderr(const char* aFmt, ...)
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{
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va_list args;
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va_start(args, aFmt);
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vprintf_stderr(aFmt, args);
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va_end(args);
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}
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void
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fprintf_stderr(FILE* aFile, const char* aFmt, ...)
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{
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va_list args;
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va_start(args, aFmt);
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if (aFile == stderr) {
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vprintf_stderr(aFmt, args);
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} else {
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vfprintf(aFile, aFmt, args);
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}
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va_end(args);
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}
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