667 lines
21 KiB
C
667 lines
21 KiB
C
/*
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*******************************************************************************
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*
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* Copyright (C) 1999-2004, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: gencmn.c
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 1999nov01
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* created by: Markus W. Scherer
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*
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* This program reads a list of data files and combines them
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* into one common, memory-mappable file.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "unicode/utypes.h"
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#include "unicode/putil.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "filestrm.h"
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#include "toolutil.h"
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#include "unicode/uclean.h"
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#include "unewdata.h"
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#include "uoptions.h"
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#define STRING_STORE_SIZE 100000
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#define MAX_FILE_COUNT 2000
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#define COMMON_DATA_NAME U_ICUDATA_NAME
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#define DATA_TYPE "dat"
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/* ICU package data file format (.dat files) ------------------------------- ***
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Description of the data format after the usual ICU data file header
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(UDataInfo etc.).
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Format version 1
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A .dat package file contains a simple Table of Contents of item names,
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followed by the items themselves:
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1. ToC table
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uint32_t count; - number of items
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UDataOffsetTOCEntry entry[count]; - pair of uint32_t values per item:
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uint32_t nameOffset; - offset of the item name
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uint32_t dataOffset; - offset of the item data
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both are byte offsets from the beginning of the data
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2. item name strings
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All item names are stored as char * strings in one block between the ToC table
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and the data items.
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3. data items
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The data items are stored following the item names block.
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Each data item is 16-aligned.
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The data items are stored in the sorted order of their names.
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Therefore, the top of the name strings block is the offset of the first item,
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the length of the last item is the difference between its offset and
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the .dat file length, and the length of all previous items is the difference
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between its offset and the next one.
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----------------------------------------------------------------------------- */
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/* UDataInfo cf. udata.h */
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static const UDataInfo dataInfo={
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sizeof(UDataInfo),
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0,
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U_IS_BIG_ENDIAN,
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U_CHARSET_FAMILY,
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sizeof(UChar),
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0,
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{0x43, 0x6d, 0x6e, 0x44}, /* dataFormat="CmnD" */
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{1, 0, 0, 0}, /* formatVersion */
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{3, 0, 0, 0} /* dataVersion */
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};
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static uint32_t maxSize;
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static char stringStore[STRING_STORE_SIZE];
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static uint32_t stringTop=0, basenameTotal=0;
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typedef struct {
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char *pathname, *basename;
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uint32_t basenameLength, basenameOffset, fileSize, fileOffset;
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} File;
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static File files[MAX_FILE_COUNT];
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static uint32_t fileCount=0;
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static UBool embed = FALSE;
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/* prototypes --------------------------------------------------------------- */
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static void
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addFile(const char *filename, UBool sourceTOC, UBool verbose);
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static char *
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allocString(uint32_t length);
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static int
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compareFiles(const void *file1, const void *file2);
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static char *
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pathToFullPath(const char *path);
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/* map non-tree separator (such as '\') to tree separator ('/') inplace. */
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static void
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fixDirToTreePath(char *s);
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/* -------------------------------------------------------------------------- */
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static UOption options[]={
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/*0*/ UOPTION_HELP_H,
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/*1*/ UOPTION_HELP_QUESTION_MARK,
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/*2*/ UOPTION_VERBOSE,
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/*3*/ UOPTION_COPYRIGHT,
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/*4*/ UOPTION_DESTDIR,
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/*5*/ UOPTION_DEF( "comment", 'C', UOPT_REQUIRES_ARG),
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/*6*/ UOPTION_DEF( "name", 'n', UOPT_REQUIRES_ARG),
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/*7*/ UOPTION_DEF( "type", 't', UOPT_REQUIRES_ARG),
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/*8*/ UOPTION_DEF( "source", 'S', UOPT_NO_ARG),
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/*9*/ UOPTION_DEF( "entrypoint", 'e', UOPT_REQUIRES_ARG),
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/*10*/UOPTION_SOURCEDIR,
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/*11*/UOPTION_DEF( "embed", 'E', UOPT_NO_ARG)
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};
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static char *symPrefix = NULL;
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extern int
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main(int argc, char* argv[]) {
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static char buffer[4096];
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char line[512];
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FileStream *in, *file;
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char *s;
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UErrorCode errorCode=U_ZERO_ERROR;
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uint32_t i, fileOffset, basenameOffset, length, nread;
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UBool sourceTOC, verbose;
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const char *entrypointName = NULL;
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U_MAIN_INIT_ARGS(argc, argv);
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/* preset then read command line options */
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options[4].value=u_getDataDirectory();
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options[6].value=COMMON_DATA_NAME;
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options[7].value=DATA_TYPE;
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options[10].value=".";
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argc=u_parseArgs(argc, argv, sizeof(options)/sizeof(options[0]), options);
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/* error handling, printing usage message */
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if(argc<0) {
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fprintf(stderr,
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"error in command line argument \"%s\"\n",
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argv[-argc]);
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} else if(argc<2) {
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argc=-1;
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}
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if(options[11].doesOccur) {
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embed = TRUE;
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}
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if(argc<0 || options[0].doesOccur || options[1].doesOccur) {
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FILE *where = argc < 0 ? stderr : stdout;
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/*
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* Broken into chucks because the C89 standard says the minimum
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* required supported string length is 509 bytes.
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*/
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fprintf(where,
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"%csage: %s [ -h, -?, --help ] [ -v, --verbose ] [ -c, --copyright ] [ -C, --comment comment ] [ -d, --destdir dir ] [ -n, --name filename ] [ -t, --type filetype ] [ -S, --source tocfile ] [ -e, --entrypoint name ] maxsize listfile\n", argc < 0 ? 'u' : 'U', *argv);
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if (options[0].doesOccur || options[1].doesOccur) {
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fprintf(where, "\n"
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"Read the list file (default: standard input) and create a common data\n"
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"file from specified files. Omit any files larger than maxsize, if maxsize > 0.\n");
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fprintf(where, "\n"
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"Options:\n"
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"\t-h, -?, --help this usage text\n"
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"\t-v, --verbose verbose output\n"
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"\t-c, --copyright include the ICU copyright notice\n"
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"\t-C, --comment comment include a comment string\n"
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"\t-d, --destdir dir destination directory\n");
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fprintf(where,
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"\t-n, --name filename output filename, without .type extension\n"
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"\t (default: " COMMON_DATA_NAME ")\n"
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"\t-t, --type filetype type of the destination file\n"
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"\t (default: \"" DATA_TYPE "\")\n"
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"\t-S, --source tocfile write a .c source file with the table of\n"
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"\t contents\n"
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"\t-e, --entrypoint name override the c entrypoint name\n"
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"\t (default: \"<name>_<type>\")\n");
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}
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return argc<0 ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR;
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}
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sourceTOC=options[8].doesOccur;
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verbose = options[2].doesOccur;
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maxSize=(uint32_t)uprv_strtoul(argv[1], NULL, 0);
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if(argc==2) {
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in=T_FileStream_stdin();
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} else {
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in=T_FileStream_open(argv[2], "r");
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if(in==NULL) {
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fprintf(stderr, "gencmn: unable to open input file %s\n", argv[2]);
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exit(U_FILE_ACCESS_ERROR);
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}
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}
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if (verbose) {
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if(sourceTOC) {
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printf("generating %s_%s.c (table of contents source file)\n", options[6].value, options[7].value);
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} else {
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printf("generating %s.%s (common data file with table of contents)\n", options[6].value, options[7].value);
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}
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}
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/* read the list of files and get their lengths */
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while(T_FileStream_readLine(in, line, sizeof(line))!=NULL) {
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/* remove trailing newline characters */
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s=line;
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while(*s!=0) {
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if(*s=='\r' || *s=='\n') {
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*s=0;
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break;
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}
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++s;
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}
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/* check for comment */
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if (*line == '#') {
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continue;
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}
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/* add the file */
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#if (U_FILE_SEP_CHAR != U_FILE_ALT_SEP_CHAR)
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{
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char *t;
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while((t = uprv_strchr(line,U_FILE_ALT_SEP_CHAR))) {
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*t = U_FILE_SEP_CHAR;
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}
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}
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#endif
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addFile(getLongPathname(line), sourceTOC, verbose);
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}
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if(in!=T_FileStream_stdin()) {
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T_FileStream_close(in);
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}
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if(fileCount==0) {
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fprintf(stderr, "gencmn: no files listed in %s\n", argc==2 ? "<stdin>" : argv[2]);
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return 0;
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}
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/* sort the files by basename */
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qsort(files, fileCount, sizeof(File), compareFiles);
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if(!sourceTOC) {
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UNewDataMemory *out;
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/* determine the offsets of all basenames and files in this common one */
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basenameOffset=4+8*fileCount;
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fileOffset=(basenameOffset+(basenameTotal+15))&~0xf;
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for(i=0; i<fileCount; ++i) {
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files[i].fileOffset=fileOffset;
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fileOffset+=(files[i].fileSize+15)&~0xf;
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files[i].basenameOffset=basenameOffset;
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basenameOffset+=files[i].basenameLength;
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}
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/* create the output file */
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out=udata_create(options[4].value, options[7].value, options[6].value,
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&dataInfo,
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options[3].doesOccur ? U_COPYRIGHT_STRING : options[5].value,
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&errorCode);
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if(U_FAILURE(errorCode)) {
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fprintf(stderr, "gencmn: udata_create(-d %s -n %s -t %s) failed - %s\n",
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options[4].value, options[6].value, options[7].value,
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u_errorName(errorCode));
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exit(errorCode);
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}
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/* write the table of contents */
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udata_write32(out, fileCount);
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for(i=0; i<fileCount; ++i) {
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udata_write32(out, files[i].basenameOffset);
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udata_write32(out, files[i].fileOffset);
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}
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/* write the basenames */
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for(i=0; i<fileCount; ++i) {
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udata_writeString(out, files[i].basename, files[i].basenameLength);
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}
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length=4+8*fileCount+basenameTotal;
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/* copy the files */
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for(i=0; i<fileCount; ++i) {
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/* pad to 16-align the next file */
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length&=0xf;
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if(length!=0) {
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udata_writePadding(out, 16-length);
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}
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if (verbose) {
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printf("adding %s (%ld byte%s)\n", files[i].pathname, (long)files[i].fileSize, files[i].fileSize == 1 ? "" : "s");
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}
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/* copy the next file */
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file=T_FileStream_open(files[i].pathname, "rb");
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if(file==NULL) {
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fprintf(stderr, "gencmn: unable to open listed file %s\n", files[i].pathname);
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exit(U_FILE_ACCESS_ERROR);
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}
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for(nread = 0;;) {
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length=T_FileStream_read(file, buffer, sizeof(buffer));
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if(length <= 0) {
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break;
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}
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nread += length;
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udata_writeBlock(out, buffer, length);
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}
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T_FileStream_close(file);
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length=files[i].fileSize;
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if (nread != files[i].fileSize) {
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fprintf(stderr, "gencmn: unable to read %s properly (got %ld/%ld byte%s)\n", files[i].pathname, (long)nread, (long)files[i].fileSize, files[i].fileSize == 1 ? "" : "s");
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exit(U_FILE_ACCESS_ERROR);
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}
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}
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/* pad to 16-align the last file (cleaner, avoids growing .dat files in icuswap) */
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length&=0xf;
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if(length!=0) {
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udata_writePadding(out, 16-length);
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}
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/* finish */
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udata_finish(out, &errorCode);
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if(U_FAILURE(errorCode)) {
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fprintf(stderr, "gencmn: udata_finish() failed - %s\n", u_errorName(errorCode));
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exit(errorCode);
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}
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} else {
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/* write a .c source file with the table of contents */
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char *filename;
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FileStream *out;
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/* create the output filename */
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filename=s=buffer;
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uprv_strcpy(filename, options[4].value);
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s=filename+uprv_strlen(filename);
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if(s>filename && *(s-1)!=U_FILE_SEP_CHAR) {
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*s++=U_FILE_SEP_CHAR;
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}
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uprv_strcpy(s, options[6].value);
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if(*(options[7].value)!=0) {
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s+=uprv_strlen(s);
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*s++='_';
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uprv_strcpy(s, options[7].value);
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}
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s+=uprv_strlen(s);
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uprv_strcpy(s, ".c");
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/* open the output file */
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out=T_FileStream_open(filename, "w");
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if(out==NULL) {
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fprintf(stderr, "gencmn: unable to open .c output file %s\n", filename);
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exit(U_FILE_ACCESS_ERROR);
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}
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/* If an entrypoint is specified, use it. */
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if(options[9].doesOccur) {
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entrypointName = options[9].value;
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} else {
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entrypointName = options[6].value;
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}
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#if 0
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if(!embed) {
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symPrefix = (char *) uprv_malloc(uprv_strlen(entrypointName) + 2);
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/* test for NULL */
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if (symPrefix == NULL) {
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sprintf(buffer, "U_MEMORY_ALLOCATION_ERROR");
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exit(U_MEMORY_ALLOCATION_ERROR);
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}
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uprv_strcpy(symPrefix, entrypointName);
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uprv_strcat(symPrefix, "_");
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}
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#endif
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/* write the source file */
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sprintf(buffer,
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"/*\n"
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" * ICU common data table of contents for %s.%s ,\n"
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" * Automatically generated by icu/source/tools/gencmn/gencmn .\n"
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" */\n\n"
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"#include \"unicode/utypes.h\"\n"
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"#include \"unicode/udata.h\"\n"
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"\n"
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"/* external symbol declarations for data */\n",
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options[6].value, options[7].value);
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T_FileStream_writeLine(out, buffer);
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sprintf(buffer, "extern const char\n %s%s[]", symPrefix?symPrefix:"", files[0].pathname);
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T_FileStream_writeLine(out, buffer);
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for(i=1; i<fileCount; ++i) {
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sprintf(buffer, ",\n %s%s[]", symPrefix?symPrefix:"", files[i].pathname);
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T_FileStream_writeLine(out, buffer);
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}
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T_FileStream_writeLine(out, ";\n\n");
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sprintf(
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buffer,
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"U_EXPORT struct {\n"
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" uint16_t headerSize;\n"
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" uint8_t magic1, magic2;\n"
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" UDataInfo info;\n"
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" char padding[%lu];\n"
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" uint32_t count, reserved;\n"
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" struct {\n"
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" const char *name;\n"
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" const void *data;\n"
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" } toc[%lu];\n"
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"} U_EXPORT2 %s_dat = {\n"
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" 32, 0xda, 0x27, {\n"
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" %lu, 0,\n"
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" %u, %u, %u, 0,\n"
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" {0x54, 0x6f, 0x43, 0x50},\n"
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" {1, 0, 0, 0},\n"
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" {0, 0, 0, 0}\n"
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" },\n"
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" \"\", %lu, 0, {\n",
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(unsigned long)32-4-sizeof(UDataInfo),
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(unsigned long)fileCount,
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entrypointName,
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(unsigned long)sizeof(UDataInfo),
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U_IS_BIG_ENDIAN,
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U_CHARSET_FAMILY,
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U_SIZEOF_UCHAR,
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(unsigned long)fileCount
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);
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T_FileStream_writeLine(out, buffer);
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sprintf(buffer, " { \"%s\", %s%s }", files[0].basename, symPrefix?symPrefix:"", files[0].pathname);
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T_FileStream_writeLine(out, buffer);
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for(i=1; i<fileCount; ++i) {
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sprintf(buffer, ",\n { \"%s\", %s%s }", files[i].basename, symPrefix?symPrefix:"", files[i].pathname);
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T_FileStream_writeLine(out, buffer);
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}
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T_FileStream_writeLine(out, "\n }\n};\n");
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T_FileStream_close(out);
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uprv_free(symPrefix);
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}
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return 0;
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}
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static void
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addFile(const char *filename, UBool sourceTOC, UBool verbose) {
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char *s;
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uint32_t length;
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char *fullPath = NULL;
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if(fileCount==MAX_FILE_COUNT) {
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fprintf(stderr, "gencmn: too many files, maximum is %d\n", MAX_FILE_COUNT);
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exit(U_BUFFER_OVERFLOW_ERROR);
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}
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if(!sourceTOC) {
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FileStream *file;
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fullPath = pathToFullPath(filename);
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/* store the pathname */
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if(!embed) {
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length = (uint32_t)(uprv_strlen(filename) + 1 + uprv_strlen(options[6].value) + 1);
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s=allocString(length);
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uprv_strcpy(s, options[6].value);
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uprv_strcat(s, U_TREE_ENTRY_SEP_STRING);
|
|
uprv_strcat(s, filename);
|
|
} else {
|
|
/* compatibility mode */
|
|
const char *base;
|
|
base = findBasename(filename);
|
|
length = (uint32_t)(uprv_strlen(base) + 1);
|
|
s=allocString(length);
|
|
uprv_memcpy(s, base, length);
|
|
}
|
|
|
|
/* get the basename */
|
|
fixDirToTreePath(s);
|
|
files[fileCount].basename=s;
|
|
files[fileCount].basenameLength=length;
|
|
|
|
files[fileCount].pathname=fullPath;
|
|
|
|
basenameTotal+=length;
|
|
|
|
/* try to open the file */
|
|
file=T_FileStream_open(fullPath, "rb");
|
|
if(file==NULL) {
|
|
fprintf(stderr, "gencmn: unable to open listed file %s\n", fullPath);
|
|
exit(U_FILE_ACCESS_ERROR);
|
|
}
|
|
|
|
/* get the file length */
|
|
length=T_FileStream_size(file);
|
|
if(T_FileStream_error(file) || length<=20) {
|
|
fprintf(stderr, "gencmn: unable to get length of listed file %s\n", fullPath);
|
|
exit(U_FILE_ACCESS_ERROR);
|
|
}
|
|
|
|
T_FileStream_close(file);
|
|
|
|
/* do not add files that are longer than maxSize */
|
|
if(maxSize && length>maxSize) {
|
|
if (verbose) {
|
|
printf("%s ignored (size %ld > %ld)\n", fullPath, (long)length, (long)maxSize);
|
|
}
|
|
return;
|
|
}
|
|
files[fileCount].fileSize=length;
|
|
} else {
|
|
char *t;
|
|
|
|
if(embed) {
|
|
filename = findBasename(filename);
|
|
}
|
|
/* get and store the basename */
|
|
if(!embed) {
|
|
/* need to include the package name */
|
|
length = (uint32_t)(uprv_strlen(filename) + 1 + uprv_strlen(options[6].value) + 1);
|
|
s=allocString(length);
|
|
uprv_strcpy(s, options[6].value);
|
|
uprv_strcat(s, U_TREE_ENTRY_SEP_STRING);
|
|
uprv_strcat(s, filename);
|
|
} else {
|
|
length = (uint32_t)(uprv_strlen(filename) + 1);
|
|
s=allocString(length);
|
|
uprv_memcpy(s, filename, length);
|
|
}
|
|
fixDirToTreePath(s);
|
|
files[fileCount].basename=s;
|
|
|
|
|
|
/* turn the basename into an entry point name and store in the pathname field */
|
|
t=files[fileCount].pathname=allocString(length);
|
|
while(--length>0) {
|
|
if(*s=='.' || *s=='-' || *s=='/') {
|
|
*t='_';
|
|
} else {
|
|
*t=*s;
|
|
}
|
|
++s;
|
|
++t;
|
|
}
|
|
*t=0;
|
|
}
|
|
++fileCount;
|
|
}
|
|
|
|
static char *
|
|
allocString(uint32_t length) {
|
|
uint32_t top=stringTop+length;
|
|
char *p;
|
|
|
|
if(top>STRING_STORE_SIZE) {
|
|
fprintf(stderr, "gencmn: out of memory\n");
|
|
exit(U_MEMORY_ALLOCATION_ERROR);
|
|
}
|
|
p=stringStore+stringTop;
|
|
stringTop=top;
|
|
return p;
|
|
}
|
|
|
|
static char *
|
|
pathToFullPath(const char *path) {
|
|
int32_t length;
|
|
int32_t newLength;
|
|
char *fullPath;
|
|
int32_t n;
|
|
|
|
length = (uint32_t)(uprv_strlen(path) + 1);
|
|
newLength = (length + 1 + (int32_t)uprv_strlen(options[10].value));
|
|
fullPath = uprv_malloc(newLength);
|
|
if(options[10].doesOccur) {
|
|
uprv_strcpy(fullPath, options[10].value);
|
|
uprv_strcat(fullPath, U_FILE_SEP_STRING);
|
|
} else {
|
|
fullPath[0] = 0;
|
|
}
|
|
n = (int32_t)uprv_strlen(fullPath);
|
|
uprv_strcat(fullPath, path);
|
|
|
|
if(!embed) {
|
|
#if (U_FILE_ALT_SEP_CHAR != U_TREE_ENTRY_SEP_CHAR)
|
|
#if (U_FILE_ALT_SEP_CHAR != U_FILE_SEP_CHAR)
|
|
/* replace tree separator (such as '/') with file sep char (such as ':' or '\\') */
|
|
for(;fullPath[n];n++) {
|
|
if(fullPath[n] == U_FILE_ALT_SEP_CHAR) {
|
|
fullPath[n] = U_FILE_SEP_CHAR;
|
|
}
|
|
}
|
|
#endif
|
|
#endif
|
|
#if (U_FILE_SEP_CHAR != U_TREE_ENTRY_SEP_CHAR)
|
|
/* replace tree separator (such as '/') with file sep char (such as ':' or '\\') */
|
|
for(;fullPath[n];n++) {
|
|
if(fullPath[n] == U_TREE_ENTRY_SEP_CHAR) {
|
|
fullPath[n] = U_FILE_SEP_CHAR;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
return fullPath;
|
|
}
|
|
|
|
static int
|
|
compareFiles(const void *file1, const void *file2) {
|
|
/* sort by basename */
|
|
return uprv_strcmp(((File *)file1)->basename, ((File *)file2)->basename);
|
|
}
|
|
|
|
static void
|
|
fixDirToTreePath(char *s)
|
|
{
|
|
#if (U_FILE_SEP_CHAR != U_TREE_ENTRY_SEP_CHAR) || ((U_FILE_ALT_SEP_CHAR != U_FILE_SEP_CHAR) && (U_FILE_ALT_SEP_CHAR != U_TREE_ENTRY_SEP_CHAR))
|
|
char *t;
|
|
#endif
|
|
#if (U_FILE_SEP_CHAR != U_TREE_ENTRY_SEP_CHAR)
|
|
for(t=s;t=uprv_strchr(t,U_FILE_SEP_CHAR);) {
|
|
*t = U_TREE_ENTRY_SEP_CHAR;
|
|
}
|
|
#endif
|
|
#if (U_FILE_ALT_SEP_CHAR != U_FILE_SEP_CHAR) && (U_FILE_ALT_SEP_CHAR != U_TREE_ENTRY_SEP_CHAR)
|
|
for(t=s;t=uprv_strchr(t,U_FILE_ALT_SEP_CHAR);) {
|
|
*t = U_TREE_ENTRY_SEP_CHAR;
|
|
}
|
|
#endif
|
|
}
|
|
/*
|
|
* Hey, Emacs, please set the following:
|
|
*
|
|
* Local Variables:
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
*/
|