diff options
Diffstat (limited to 'src/lngrecode.c')
| -rw-r--r-- | src/lngrecode.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/lngrecode.c b/src/lngrecode.c new file mode 100644 index 0000000..aef8e24 --- /dev/null +++ b/src/lngrecode.c @@ -0,0 +1,169 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../config.h" + +#include "internal.h" +#include "fs.h" + +rcc_string rccConfigSizedFrom(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len) { + rcc_context ctx; + rcc_string result; + rcc_option_value usedb4; + rcc_autocharset_id charset_id; + const char *charset; + + + if (!config) return NULL; + ctx = config->ctx; + + if (rccStringSizedCheck(buf, len)) return NULL; + + usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE); + + if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) { + result = rccDb4GetKey(ctx->db4ctx, buf, len); + if (result) { + if (rccStringFixID(result, ctx)) free(result); + else return result; + } + } + + charset_id = rccConfigDetectCharset(config, class_id, buf, len); + if (charset_id != (rcc_autocharset_id)-1) + charset = rccConfigGetAutoCharsetName(config, charset_id); + else + charset = rccConfigGetCurrentCharsetName(config, class_id); + + if (charset) { + result = rccSizedFromCharset(ctx, charset, buf, len); + if (result) rccStringChangeID(result, rccGetLanguageByName(ctx, config->language->sn)); + return result; + } + + return NULL; +} + +/* The supplied config have priority over language tag in the buf! */ +char *rccConfigSizedTo(rcc_language_config config, rcc_class_id class_id, rcc_const_string buf, size_t *rlen) { + char *result; + const char *charset; + + if (!config) return NULL; + + if ((rccGetClassType(config->ctx, class_id) == RCC_CLASS_FS)&&(rccGetOption(config->ctx, RCC_OPTION_AUTODETECT_FS_NAMES))) { + result = rccFS5(config->ctx, config, class_id, rccStringGetString(buf)); + if (result) { + if (rlen) *rlen = strlen(result); + return result; + } + } + + charset = rccConfigGetCurrentCharsetName(config, class_id); + + if (charset) + return rccSizedToCharset(config->ctx, charset, buf, rlen); + + return NULL; +} + + +char *rccConfigSizedRecode(rcc_language_config config, rcc_class_id from, rcc_class_id to, const char *buf, size_t len, size_t *rlen) { + rcc_context ctx; + rcc_string result; + rcc_option_value usedb4; + rcc_autocharset_id charset_id; + rcc_string stmp; + const char *tocharset, *fromcharset; + + + if (!config) return NULL; + ctx = config->ctx; + + if (rccStringSizedCheck(buf, len)) return NULL; + + usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE); + + if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) { + stmp = rccDb4GetKey(ctx->db4ctx, buf, len); + if (stmp) { + if (rccStringFixID(stmp, ctx)) free(stmp); + else { + result = rccConfigSizedTo(config, to, stmp, rlen); + free(stmp); + return result; + } + } + } + + charset_id = rccConfigDetectCharset(config, from, buf, len); + if (charset_id != (rcc_autocharset_id)-1) + fromcharset = rccConfigGetAutoCharsetName(config, charset_id); + else + fromcharset = rccConfigGetCurrentCharsetName(config, from); + + tocharset = rccConfigGetCurrentCharsetName(config, to); + + if ((fromcharset)&&(tocharset)) + return rccSizedRecodeCharsets(ctx, fromcharset, tocharset, buf, len, rlen); + + return NULL; + +} + + +char *rccConfigSizedRecodeToCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, rcc_const_string buf, size_t len, size_t *rlen) { + rcc_context ctx; + rcc_string result; + rcc_option_value usedb4; + rcc_autocharset_id charset_id; + rcc_string stmp; + const char *ocharset; + + + if (!config) return NULL; + ctx = config->ctx; + + if (rccStringSizedCheck(buf, len)) return NULL; + + usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE); + + if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) { + stmp = rccDb4GetKey(ctx->db4ctx, buf, len); + if (stmp) { + if (rccStringFixID(stmp, ctx)) free(stmp); + else { + result = rccSizedToCharset(ctx, charset, stmp, rlen); + free(stmp); + return result; + } + } + } + + charset_id = rccConfigDetectCharset(config, class_id, buf, len); + if (charset_id != (rcc_autocharset_id)-1) + ocharset = rccConfigGetAutoCharsetName(config, charset_id); + else + ocharset = rccConfigGetCurrentCharsetName(config, class_id); + + if (ocharset) + return rccSizedRecodeCharsets(ctx, ocharset, charset, buf, len, rlen); + + return NULL; +} + +char *rccConfigSizedRecodeFromCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, const char *buf, size_t len, size_t *rlen) { + rcc_context ctx; + const char *ocharset; + + if (!config) return NULL; + ctx = config->ctx; + + ocharset = rccConfigGetCurrentCharsetName(config, class_id); + + if (ocharset) + return rccSizedRecodeCharsets(ctx, charset, ocharset, buf, len, rlen); + + return NULL; +} |