mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-08-17 00:29:04 +00:00
356 lines
9.0 KiB
C++
356 lines
9.0 KiB
C++
|
/*
|
||
|
*******************************************************************************
|
||
|
*
|
||
|
* Copyright (C) 1999-2014, International Business Machines
|
||
|
* Corporation and others. All Rights Reserved.
|
||
|
*
|
||
|
*******************************************************************************
|
||
|
* file name: toolutil.c
|
||
|
* encoding: US-ASCII
|
||
|
* tab size: 8 (not used)
|
||
|
* indentation:4
|
||
|
*
|
||
|
* created on: 1999nov19
|
||
|
* created by: Markus W. Scherer
|
||
|
*
|
||
|
* 6/25/08 - Added Cygwin specific code in uprv_mkdir - Brian Rower
|
||
|
*
|
||
|
* This file contains utility functions for ICU tools like genccode.
|
||
|
*/
|
||
|
|
||
|
#include "unicode/platform.h"
|
||
|
#if U_PLATFORM == U_PF_MINGW
|
||
|
// *cough* - for struct stat
|
||
|
#ifdef __STRICT_ANSI__
|
||
|
#undef __STRICT_ANSI__
|
||
|
#endif
|
||
|
#endif
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <sys/stat.h>
|
||
|
#include "unicode/utypes.h"
|
||
|
|
||
|
#ifndef U_TOOLUTIL_IMPLEMENTATION
|
||
|
#error U_TOOLUTIL_IMPLEMENTATION not set - must be set for all ICU source files in common/ - see http://userguide.icu-project.org/howtouseicu
|
||
|
#endif
|
||
|
|
||
|
#if U_PLATFORM_USES_ONLY_WIN32_API
|
||
|
# define VC_EXTRALEAN
|
||
|
# define WIN32_LEAN_AND_MEAN
|
||
|
# define NOUSER
|
||
|
# define NOSERVICE
|
||
|
# define NOIME
|
||
|
# define NOMCX
|
||
|
# if U_PLATFORM == U_PF_MINGW
|
||
|
# define __NO_MINGW_LFS /* gets around missing 'off64_t' */
|
||
|
# endif
|
||
|
# include <windows.h>
|
||
|
# include <direct.h>
|
||
|
#else
|
||
|
# include <sys/stat.h>
|
||
|
# include <sys/types.h>
|
||
|
#endif
|
||
|
|
||
|
/* In MinGW environment, io.h needs to be included for _mkdir() */
|
||
|
#if U_PLATFORM == U_PF_MINGW
|
||
|
#include <io.h>
|
||
|
#endif
|
||
|
|
||
|
#include <errno.h>
|
||
|
|
||
|
#include "unicode/errorcode.h"
|
||
|
#include "unicode/putil.h"
|
||
|
#include "cmemory.h"
|
||
|
#include "cstring.h"
|
||
|
#include "toolutil.h"
|
||
|
#include "unicode/ucal.h"
|
||
|
|
||
|
U_NAMESPACE_BEGIN
|
||
|
|
||
|
IcuToolErrorCode::~IcuToolErrorCode() {
|
||
|
// Safe because our handleFailure() does not throw exceptions.
|
||
|
if(isFailure()) { handleFailure(); }
|
||
|
}
|
||
|
|
||
|
void IcuToolErrorCode::handleFailure() const {
|
||
|
fprintf(stderr, "error at %s: %s\n", location, errorName());
|
||
|
exit(errorCode);
|
||
|
}
|
||
|
|
||
|
U_NAMESPACE_END
|
||
|
|
||
|
static int32_t currentYear = -1;
|
||
|
|
||
|
U_CAPI int32_t U_EXPORT2 getCurrentYear() {
|
||
|
#if !UCONFIG_NO_FORMATTING
|
||
|
UErrorCode status=U_ZERO_ERROR;
|
||
|
UCalendar *cal = NULL;
|
||
|
|
||
|
if(currentYear == -1) {
|
||
|
cal = ucal_open(NULL, -1, NULL, UCAL_TRADITIONAL, &status);
|
||
|
ucal_setMillis(cal, ucal_getNow(), &status);
|
||
|
currentYear = ucal_get(cal, UCAL_YEAR, &status);
|
||
|
ucal_close(cal);
|
||
|
}
|
||
|
#else
|
||
|
/* No formatting- no way to set the current year. */
|
||
|
#endif
|
||
|
return currentYear;
|
||
|
}
|
||
|
|
||
|
|
||
|
U_CAPI const char * U_EXPORT2
|
||
|
getLongPathname(const char *pathname) {
|
||
|
#if U_PLATFORM_USES_ONLY_WIN32_API
|
||
|
/* anticipate problems with "short" pathnames */
|
||
|
static WIN32_FIND_DATAA info;
|
||
|
HANDLE file=FindFirstFileA(pathname, &info);
|
||
|
if(file!=INVALID_HANDLE_VALUE) {
|
||
|
if(info.cAlternateFileName[0]!=0) {
|
||
|
/* this file has a short name, get and use the long one */
|
||
|
const char *basename=findBasename(pathname);
|
||
|
if(basename!=pathname) {
|
||
|
/* prepend the long filename with the original path */
|
||
|
uprv_memmove(info.cFileName+(basename-pathname), info.cFileName, uprv_strlen(info.cFileName)+1);
|
||
|
uprv_memcpy(info.cFileName, pathname, basename-pathname);
|
||
|
}
|
||
|
pathname=info.cFileName;
|
||
|
}
|
||
|
FindClose(file);
|
||
|
}
|
||
|
#endif
|
||
|
return pathname;
|
||
|
}
|
||
|
|
||
|
U_CAPI const char * U_EXPORT2
|
||
|
findDirname(const char *path, char *buffer, int32_t bufLen, UErrorCode* status) {
|
||
|
if(U_FAILURE(*status)) return NULL;
|
||
|
const char *resultPtr = NULL;
|
||
|
int32_t resultLen = 0;
|
||
|
|
||
|
const char *basename=uprv_strrchr(path, U_FILE_SEP_CHAR);
|
||
|
#if U_FILE_ALT_SEP_CHAR!=U_FILE_SEP_CHAR
|
||
|
const char *basenameAlt=uprv_strrchr(path, U_FILE_ALT_SEP_CHAR);
|
||
|
if(basenameAlt && (!basename || basename<basenameAlt)) {
|
||
|
basename = basenameAlt;
|
||
|
}
|
||
|
#endif
|
||
|
if(!basename) {
|
||
|
/* no basename - return ''. */
|
||
|
resultPtr = "";
|
||
|
resultLen = 0;
|
||
|
} else {
|
||
|
resultPtr = path;
|
||
|
resultLen = basename - path;
|
||
|
if(resultLen<1) {
|
||
|
resultLen = 1; /* '/' or '/a' -> '/' */
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if((resultLen+1) <= bufLen) {
|
||
|
uprv_strncpy(buffer, resultPtr, resultLen);
|
||
|
buffer[resultLen]=0;
|
||
|
return buffer;
|
||
|
} else {
|
||
|
*status = U_BUFFER_OVERFLOW_ERROR;
|
||
|
return NULL;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
U_CAPI const char * U_EXPORT2
|
||
|
findBasename(const char *filename) {
|
||
|
const char *basename=uprv_strrchr(filename, U_FILE_SEP_CHAR);
|
||
|
|
||
|
#if U_FILE_ALT_SEP_CHAR!=U_FILE_SEP_CHAR
|
||
|
#if !(U_PLATFORM == U_PF_CYGWIN && U_PLATFORM_USES_ONLY_WIN32_API)
|
||
|
if(basename==NULL)
|
||
|
#endif
|
||
|
{
|
||
|
/* Use lenient matching on Windows, which can accept either \ or /
|
||
|
This is useful for environments like Win32+CygWin which have both.
|
||
|
*/
|
||
|
basename=uprv_strrchr(filename, U_FILE_ALT_SEP_CHAR);
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
if(basename!=NULL) {
|
||
|
return basename+1;
|
||
|
} else {
|
||
|
return filename;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
U_CAPI void U_EXPORT2
|
||
|
uprv_mkdir(const char *pathname, UErrorCode *status) {
|
||
|
|
||
|
int retVal = 0;
|
||
|
#if U_PLATFORM_USES_ONLY_WIN32_API
|
||
|
retVal = _mkdir(pathname);
|
||
|
#else
|
||
|
retVal = mkdir(pathname, S_IRWXU | (S_IROTH | S_IXOTH) | (S_IROTH | S_IXOTH));
|
||
|
#endif
|
||
|
if (retVal && errno != EEXIST) {
|
||
|
#if U_PF_MINGW <= U_PLATFORM && U_PLATFORM <= U_PF_CYGWIN
|
||
|
/*if using Cygwin and the mkdir says it failed...check if the directory already exists..*/
|
||
|
/* if it does...don't give the error, if it does not...give the error - Brian Rower - 6/25/08 */
|
||
|
struct stat st;
|
||
|
|
||
|
if(stat(pathname,&st) != 0)
|
||
|
{
|
||
|
*status = U_FILE_ACCESS_ERROR;
|
||
|
}
|
||
|
#else
|
||
|
*status = U_FILE_ACCESS_ERROR;
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#if !UCONFIG_NO_FILE_IO
|
||
|
U_CAPI UBool U_EXPORT2
|
||
|
uprv_fileExists(const char *file) {
|
||
|
struct stat stat_buf;
|
||
|
if (stat(file, &stat_buf) == 0) {
|
||
|
return TRUE;
|
||
|
} else {
|
||
|
return FALSE;
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/*U_CAPI UDate U_EXPORT2
|
||
|
uprv_getModificationDate(const char *pathname, UErrorCode *status)
|
||
|
{
|
||
|
if(U_FAILURE(*status)) {
|
||
|
return;
|
||
|
}
|
||
|
// TODO: handle case where stat is not available
|
||
|
struct stat st;
|
||
|
|
||
|
if(stat(pathname,&st) != 0)
|
||
|
{
|
||
|
*status = U_FILE_ACCESS_ERROR;
|
||
|
} else {
|
||
|
return st.st_mtime;
|
||
|
}
|
||
|
}
|
||
|
*/
|
||
|
|
||
|
/* tool memory helper ------------------------------------------------------- */
|
||
|
|
||
|
struct UToolMemory {
|
||
|
char name[64];
|
||
|
int32_t capacity, maxCapacity, size, idx;
|
||
|
void *array;
|
||
|
UAlignedMemory staticArray[1];
|
||
|
};
|
||
|
|
||
|
U_CAPI UToolMemory * U_EXPORT2
|
||
|
utm_open(const char *name, int32_t initialCapacity, int32_t maxCapacity, int32_t size) {
|
||
|
UToolMemory *mem;
|
||
|
|
||
|
if(maxCapacity<initialCapacity) {
|
||
|
maxCapacity=initialCapacity;
|
||
|
}
|
||
|
|
||
|
mem=(UToolMemory *)uprv_malloc(sizeof(UToolMemory)+initialCapacity*size);
|
||
|
if(mem==NULL) {
|
||
|
fprintf(stderr, "error: %s - out of memory\n", name);
|
||
|
exit(U_MEMORY_ALLOCATION_ERROR);
|
||
|
}
|
||
|
mem->array=mem->staticArray;
|
||
|
|
||
|
uprv_strcpy(mem->name, name);
|
||
|
mem->capacity=initialCapacity;
|
||
|
mem->maxCapacity=maxCapacity;
|
||
|
mem->size=size;
|
||
|
mem->idx=0;
|
||
|
return mem;
|
||
|
}
|
||
|
|
||
|
U_CAPI void U_EXPORT2
|
||
|
utm_close(UToolMemory *mem) {
|
||
|
if(mem!=NULL) {
|
||
|
if(mem->array!=mem->staticArray) {
|
||
|
uprv_free(mem->array);
|
||
|
}
|
||
|
uprv_free(mem);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
U_CAPI void * U_EXPORT2
|
||
|
utm_getStart(UToolMemory *mem) {
|
||
|
return (char *)mem->array;
|
||
|
}
|
||
|
|
||
|
U_CAPI int32_t U_EXPORT2
|
||
|
utm_countItems(UToolMemory *mem) {
|
||
|
return mem->idx;
|
||
|
}
|
||
|
|
||
|
|
||
|
static UBool
|
||
|
utm_hasCapacity(UToolMemory *mem, int32_t capacity) {
|
||
|
if(mem->capacity<capacity) {
|
||
|
int32_t newCapacity;
|
||
|
|
||
|
if(mem->maxCapacity<capacity) {
|
||
|
fprintf(stderr, "error: %s - trying to use more than maxCapacity=%ld units\n",
|
||
|
mem->name, (long)mem->maxCapacity);
|
||
|
exit(U_MEMORY_ALLOCATION_ERROR);
|
||
|
}
|
||
|
|
||
|
/* try to allocate a larger array */
|
||
|
if(capacity>=2*mem->capacity) {
|
||
|
newCapacity=capacity;
|
||
|
} else if(mem->capacity<=mem->maxCapacity/3) {
|
||
|
newCapacity=2*mem->capacity;
|
||
|
} else {
|
||
|
newCapacity=mem->maxCapacity;
|
||
|
}
|
||
|
|
||
|
if(mem->array==mem->staticArray) {
|
||
|
mem->array=uprv_malloc(newCapacity*mem->size);
|
||
|
if(mem->array!=NULL) {
|
||
|
uprv_memcpy(mem->array, mem->staticArray, mem->idx*mem->size);
|
||
|
}
|
||
|
} else {
|
||
|
mem->array=uprv_realloc(mem->array, newCapacity*mem->size);
|
||
|
}
|
||
|
|
||
|
if(mem->array==NULL) {
|
||
|
fprintf(stderr, "error: %s - out of memory\n", mem->name);
|
||
|
exit(U_MEMORY_ALLOCATION_ERROR);
|
||
|
}
|
||
|
mem->capacity=newCapacity;
|
||
|
}
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
U_CAPI void * U_EXPORT2
|
||
|
utm_alloc(UToolMemory *mem) {
|
||
|
char *p=NULL;
|
||
|
int32_t oldIndex=mem->idx;
|
||
|
int32_t newIndex=oldIndex+1;
|
||
|
if(utm_hasCapacity(mem, newIndex)) {
|
||
|
p=(char *)mem->array+oldIndex*mem->size;
|
||
|
mem->idx=newIndex;
|
||
|
uprv_memset(p, 0, mem->size);
|
||
|
}
|
||
|
return p;
|
||
|
}
|
||
|
|
||
|
U_CAPI void * U_EXPORT2
|
||
|
utm_allocN(UToolMemory *mem, int32_t n) {
|
||
|
char *p=NULL;
|
||
|
int32_t oldIndex=mem->idx;
|
||
|
int32_t newIndex=oldIndex+n;
|
||
|
if(utm_hasCapacity(mem, newIndex)) {
|
||
|
p=(char *)mem->array+oldIndex*mem->size;
|
||
|
mem->idx=newIndex;
|
||
|
uprv_memset(p, 0, n*mem->size);
|
||
|
}
|
||
|
return p;
|
||
|
}
|