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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "internal.h"
#include "rcciconv.h"
#include "fs.h"
#include "lng.h"
#include "rccstring.h"
#include "rccconfig.h"
static rcc_charset_id rccIConvAuto(rcc_context ctx, rcc_class_id class_id, const char *buf, int len) {
rcc_class_type class_type;
rcc_engine_ptr engine;
if ((!ctx)||(!buf)) return -1;
class_type = rccGetClassType(ctx, class_id);
if ((class_type == RCC_CLASS_STANDARD)||((class_type == RCC_CLASS_FS)&&(rccGetOption(ctx, RCC_AUTODETECT_FS_TITLES)))) {
engine = rccGetEnginePointer(ctx, rccGetCurrentEngine(ctx));
if ((!engine)||(!engine->func)||(!strcasecmp(engine->title, "off"))||(!strcasecmp(engine->title, "dissable"))) return -1;
return engine->func(&ctx->engine_ctx, buf, len);
}
return -1;
}
rcc_string rccFrom(rcc_context ctx, rcc_class_id class_id, const char *buf, int len, int *rlen) {
int err;
rcc_language_id language_id;
rcc_charset_id charset_id;
iconv_t icnv = (iconv_t)-1;
rcc_string result;
if ((!ctx)||(class_id<0)||(class_id>=ctx->n_classes)||(!buf)) return NULL;
err = rccConfigure(ctx);
if (err) return NULL;
// Checking if rcc_string passed
language_id = rccStringCheck((const rcc_string)buf);
if (language_id) return NULL;
language_id = rccGetCurrentLanguage(ctx);
// DS: Learning. check database (language_id)
charset_id = rccIConvAuto(ctx, class_id, buf, len);
if (charset_id != (rcc_charset_id)-1) icnv = ctx->iconv_auto[charset_id];
if (icnv == (iconv_t)-1) {
icnv = ctx->iconv_from[class_id];
if (icnv == (iconv_t)-1) return NULL;
}
if (icnv == (iconv_t)-2) {
result = rccCreateString(language_id, buf, len, rlen);
} else {
err = rccIConv(ctx, icnv, buf, len);
if (err<=0) return NULL;
result = rccCreateString(language_id, ctx->tmpbuffer, err, rlen);
}
// DS: Learning. write database
return result;
}
char *rccTo(rcc_context ctx, rcc_class_id class_id, const rcc_string buf, int len, int *rlen) {
int err;
char *result;
char *prefix, *name;
rcc_language_id language_id;
rcc_charset_id charset_id;
rcc_class_type class_type;
iconv_t icnv;
if ((!ctx)||(class_id<0)||(class_id>=ctx->n_classes)||(!buf)) return NULL;
language_id = rccStringCheck(buf);
if (!language_id) return NULL;
err = rccConfigure(ctx);
if (err) return NULL;
icnv = ctx->iconv_to[class_id];
class_type = rccGetClassType(ctx, class_id);
if ((class_type == RCC_CLASS_FS)&&(rccGetOption(ctx, RCC_AUTODETECT_FS_NAMES))) {
prefix = NULL; name = buf + sizeof(rcc_string_header);
err = rccFS0(NULL, buf, &prefix, &name);
if (!err) {
result = rccFS3(ctx, language_id, class_id, prefix, name);
if ((rlen)&&(result)) *rlen = strlen(result);
return result;
}
}
if (icnv == (iconv_t)-1) return NULL;
if (icnv == (iconv_t)-2) {
result = rccStringExtract(buf, len, rlen);
} else {
err = rccIConv(ctx, icnv, buf + sizeof(rcc_string_header), len?len-sizeof(rcc_string_header):0);
if (err<=0) return NULL;
result = rccCreateResult(ctx, err, rlen);
}
return result;
}
char *rccRecode(rcc_context ctx, rcc_class_id from, rcc_class_id to, const char *buf, int len, int *rlen) {
int nlen;
rcc_string stmp;
char *result;
const char *from_charset, *to_charset;
rcc_charset_id from_charset_id, to_charset_id;
rcc_class_type class_type;
if ((!ctx)||(from<0)||(from>=ctx->n_classes)||(to<0)||(to>=ctx->n_classes)||(!buf)) return NULL;
class_type = rccGetClassType(ctx, to);
if ((class_type == RCC_CLASS_FS)&&(rccGetOption(ctx, RCC_AUTODETECT_FS_NAMES))) goto recoding;
from_charset_id = rccIConvAuto(ctx, from, buf, len);
if (from_charset_id>0) {
from_charset = rccGetAutoCharsetName(ctx, from_charset_id);
to_charset = rccGetCurrentCharsetName(ctx, to);
if ((from_charset)&&(to_charset)&&(!strcasecmp(from_charset, to_charset))) return NULL;
} else {
from_charset_id = rccGetCurrentCharset(ctx, from);
to_charset_id = rccGetCurrentCharset(ctx, to);
if (from_charset_id == to_charset_id) return NULL;
}
recoding:
stmp = rccFrom(ctx, from, buf, len, &nlen);
if (stmp) {
result = rccTo(ctx, to, stmp, nlen, rlen);
free(stmp);
return result;
}
/*return rccTo(ctx, to, buf, len, rlen);*/
return NULL;
}
char *rccFS(rcc_context ctx, rcc_class_id from, rcc_class_id to, const char *fspath, const char *path, const char *filename) {
int err;
rcc_language_id language_id;
char *prefix = (char*)path, *name = (char*)filename; /*DS*/
rcc_string string;
char *stmp;
char *result = NULL;
err = rccFS1(ctx, fspath, &prefix, &name);
if (err) {
if (err<0) return NULL;
return name;
}
string = rccFrom(ctx, from, name, 0, NULL);
if (string) {
language_id = rccGetCurrentLanguage(ctx);
result = rccFS3(ctx, language_id, to, prefix, string + sizeof(rcc_string_header));
free(string);
}
free(prefix);
free(name);
return result;
}
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