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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
* Copyright (C) 2005-2012, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: writesrc.c
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2005apr23
* created by: Markus W. Scherer
*
* Helper functions for writing source code for data.
*/
#include <stdio.h>
#include <time.h>
#include "unicode/utypes.h"
#include "unicode/putil.h"
#include "utrie2.h"
#include "cstring.h"
#include "writesrc.h"
static FILE *
usrc_createWithHeader(const char *path, const char *filename,
const char *generator, const char *header) {
char buffer[1024];
const char *p;
char *q;
FILE *f;
char c;
if(path==NULL) {
p=filename;
} else {
/* concatenate path and filename, with U_FILE_SEP_CHAR in between if necessary */
uprv_strcpy(buffer, path);
q=buffer+uprv_strlen(buffer);
if(q>buffer && (c=*(q-1))!=U_FILE_SEP_CHAR && c!=U_FILE_ALT_SEP_CHAR) {
*q++=U_FILE_SEP_CHAR;
}
uprv_strcpy(q, filename);
p=buffer;
}
f=fopen(p, "w");
if(f!=NULL) {
const struct tm *lt;
time_t t;
time(&t);
lt=localtime(&t);
if(generator==NULL) {
strftime(buffer, sizeof(buffer), "%Y-%m-%d", lt);
fprintf(f, header, filename, buffer);
} else {
fprintf(f, header, filename, generator);
}
} else {
fprintf(
stderr,
"usrc_create(%s, %s): unable to create file\n",
path!=NULL ? path : "", filename);
}
return f;
}
U_CAPI FILE * U_EXPORT2
usrc_create(const char *path, const char *filename, const char *generator) {
// TODO: Add parameter for the first year this file was generated, not before 2016.
static const char *header=
"// © 2016 and later: Unicode, Inc. and others.\n"
"// License & terms of use: http://www.unicode.org/copyright.html\n"
"//\n"
"// Copyright (C) 1999-2016, International Business Machines\n"
"// Corporation and others. All Rights Reserved.\n"
"//\n"
"// file name: %s\n"
"//\n"
"// machine-generated by: %s\n"
"\n\n";
return usrc_createWithHeader(path, filename, generator, header);
}
U_CAPI FILE * U_EXPORT2
usrc_createTextData(const char *path, const char *filename, const char *generator) {
// TODO: Add parameter for the first year this file was generated, not before 2016.
static const char *header=
"# Copyright (C) 2016 and later: Unicode, Inc. and others.\n"
"# License & terms of use: http://www.unicode.org/copyright.html\n"
"# Copyright (C) 1999-2016, International Business Machines\n"
"# Corporation and others. All Rights Reserved.\n"
"#\n"
"# file name: %s\n"
"#\n"
"# machine-generated by: %s\n"
"\n\n";
return usrc_createWithHeader(path, filename, generator, header);
}
U_CAPI void U_EXPORT2
usrc_writeArray(FILE *f,
const char *prefix,
const void *p, int32_t width, int32_t length,
const char *postfix) {
const uint8_t *p8;
const uint16_t *p16;
const uint32_t *p32;
uint32_t value;
int32_t i, col;
p8=NULL;
p16=NULL;
p32=NULL;
switch(width) {
case 8:
p8=(const uint8_t *)p;
break;
case 16:
p16=(const uint16_t *)p;
break;
case 32:
p32=(const uint32_t *)p;
break;
default:
fprintf(stderr, "usrc_writeArray(width=%ld) unrecognized width\n", (long)width);
return;
}
if(prefix!=NULL) {
fprintf(f, prefix, (long)length);
}
for(i=col=0; i<length; ++i, ++col) {
if(i>0) {
if(col<16) {
fputc(',', f);
} else {
fputs(",\n", f);
col=0;
}
}
switch(width) {
case 8:
value=p8[i];
break;
case 16:
value=p16[i];
break;
case 32:
value=p32[i];
break;
default:
value=0; /* unreachable */
break;
}
fprintf(f, value<=9 ? "%lu" : "0x%lx", (unsigned long)value);
}
if(postfix!=NULL) {
fputs(postfix, f);
}
}
U_CAPI void U_EXPORT2
usrc_writeUTrie2Arrays(FILE *f,
const char *indexPrefix, const char *data32Prefix,
const UTrie2 *pTrie,
const char *postfix) {
if(pTrie->data32==NULL) {
/* 16-bit trie */
usrc_writeArray(f, indexPrefix, pTrie->index, 16, pTrie->indexLength+pTrie->dataLength, postfix);
} else {
/* 32-bit trie */
usrc_writeArray(f, indexPrefix, pTrie->index, 16, pTrie->indexLength, postfix);
usrc_writeArray(f, data32Prefix, pTrie->data32, 32, pTrie->dataLength, postfix);
}
}
U_CAPI void U_EXPORT2
usrc_writeUTrie2Struct(FILE *f,
const char *prefix,
const UTrie2 *pTrie,
const char *indexName, const char *data32Name,
const char *postfix) {
if(prefix!=NULL) {
fputs(prefix, f);
}
if(pTrie->data32==NULL) {
/* 16-bit trie */
fprintf(
f,
" %s,\n" /* index */
" %s+%ld,\n" /* data16 */
" NULL,\n", /* data32 */
indexName,
indexName,
(long)pTrie->indexLength);
} else {
/* 32-bit trie */
fprintf(
f,
" %s,\n" /* index */
" NULL,\n" /* data16 */
" %s,\n", /* data32 */
indexName,
data32Name);
}
fprintf(
f,
" %ld,\n" /* indexLength */
" %ld,\n" /* dataLength */
" 0x%hx,\n" /* index2NullOffset */
" 0x%hx,\n" /* dataNullOffset */
" 0x%lx,\n" /* initialValue */
" 0x%lx,\n" /* errorValue */
" 0x%lx,\n" /* highStart */
" 0x%lx,\n" /* highValueIndex */
" NULL, 0, FALSE, FALSE, 0, NULL\n",
(long)pTrie->indexLength, (long)pTrie->dataLength,
(short)pTrie->index2NullOffset, (short)pTrie->dataNullOffset,
(long)pTrie->initialValue, (long)pTrie->errorValue,
(long)pTrie->highStart, (long)pTrie->highValueIndex);
if(postfix!=NULL) {
fputs(postfix, f);
}
}
U_CAPI void U_EXPORT2
usrc_writeArrayOfMostlyInvChars(FILE *f,
const char *prefix,
const char *p, int32_t length,
const char *postfix) {
int32_t i, col;
int prev2, prev, c;
if(prefix!=NULL) {
fprintf(f, prefix, (long)length);
}
prev2=prev=-1;
for(i=col=0; i<length; ++i, ++col) {
c=(uint8_t)p[i];
if(i>0) {
/* Break long lines. Try to break at interesting places, to minimize revision diffs. */
if(
/* Very long line. */
col>=32 ||
/* Long line, break after terminating NUL. */
(col>=24 && prev2>=0x20 && prev==0) ||
/* Medium-long line, break before non-NUL, non-character byte. */
(col>=16 && (prev==0 || prev>=0x20) && 0<c && c<0x20)
) {
fputs(",\n", f);
col=0;
} else {
fputc(',', f);
}
}
fprintf(f, c<0x20 ? "%u" : "'%c'", c);
prev2=prev;
prev=c;
}
if(postfix!=NULL) {
fputs(postfix, f);
}
}
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