diff options
Diffstat (limited to 'src/query.c')
| -rw-r--r-- | src/query.c | 119 |
1 files changed, 98 insertions, 21 deletions
diff --git a/src/query.c b/src/query.c index 0acd0d0..9382fdc 100644 --- a/src/query.c +++ b/src/query.c @@ -38,41 +38,118 @@ slv2_plugin_find_statements(SLV2Plugin plugin, return sord_find(plugin->world->model, pat); } +typedef enum { + SLV2_LANG_MATCH_NONE, ///< Language does not match at all + SLV2_LANG_MATCH_PARTIAL, ///< Partial (language, but not country) match + SLV2_LANG_MATCH_EXACT ///< Exact (language and country) match +} SLV2LangMatch; + +static SLV2LangMatch +slv2_lang_matches(const char* a, const char* b) +{ + if (!strcmp(a, b)) { + return SLV2_LANG_MATCH_EXACT; + } + + const char* a_dash = strchr(a, '-'); + const size_t a_lang_len = a_dash ? (a_dash - a) : 0; + const char* b_dash = strchr(b, '-'); + const size_t b_lang_len = b_dash ? (b_dash - b) : 0; + + if (a_lang_len && b_lang_len) { + if (a_lang_len == b_lang_len && !strncmp(a, b, a_lang_len)) { + return SLV2_LANG_MATCH_PARTIAL; // e.g. a="en-gb", b="en-ca" + } + } else if (a_lang_len && !strncmp(a, b, a_lang_len)) { + return SLV2_LANG_MATCH_PARTIAL; // e.g. a="en", b="en-ca" + } else if (b_lang_len && !strncmp(a, b, b_lang_len)) { + return SLV2_LANG_MATCH_PARTIAL; // e.g. a="en-ca", b="en" + } + return SLV2_LANG_MATCH_NONE; +} + SLV2Values -slv2_values_from_stream_i18n(SLV2Plugin p, - SLV2Matches stream) +slv2_values_from_stream_objects_i18n(SLV2Plugin p, + SLV2Matches stream) { - SLV2Values values = slv2_values_new(); - SLV2Node nolang = NULL; + SLV2Values values = slv2_values_new(); + SLV2Node nolang = NULL; // Untranslated value + SLV2Node partial = NULL; // Partial language match + char* syslang = slv2_get_lang(); FOREACH_MATCH(stream) { SLV2Node value = slv2_match_object(stream); if (sord_node_get_type(value) == SORD_LITERAL) { - const char* lang = sord_literal_get_lang(value); + const char* lang = sord_literal_get_lang(value); + SLV2LangMatch lm = SLV2_LANG_MATCH_NONE; if (lang) { - if (!strcmp(lang, slv2_get_lang())) { - g_ptr_array_add( - values, (uint8_t*)slv2_value_new_string( - p->world, (const char*)sord_node_get_string(value))); - } + lm = (syslang) + ? slv2_lang_matches(lang, syslang) + : SLV2_LANG_MATCH_PARTIAL; } else { nolang = value; + if (!syslang) { + lm = SLV2_LANG_MATCH_EXACT; + } } + + if (lm == SLV2_LANG_MATCH_EXACT) { + // Exact language match, add to results + g_ptr_array_add(values, slv2_value_new_from_node(p->world, value)); + } else if (lm == SLV2_LANG_MATCH_PARTIAL) { + // Partial language match, save in case we find no exact + partial = value; + } + } else { + g_ptr_array_add(values, slv2_value_new_from_node(p->world, value)); } - break; } slv2_match_end(stream); + free(syslang); - if (slv2_values_size(values) == 0) { - // No value with a matching language, use untranslated default - if (nolang) { - g_ptr_array_add( - values, (uint8_t*)slv2_value_new_string( - p->world, (const char*)sord_node_get_string(nolang))); - } else { - slv2_values_free(values); - values = NULL; - } + if (slv2_values_size(values) > 0) { + return values; + } + + SLV2Node best = nolang; + if (syslang && partial) { + // Partial language match for system language + best = partial; + } else if (!best) { + // No languages matches at all, and no untranslated value + // Use any value, if possible + best = partial; + } + + if (best) { + g_ptr_array_add(values, slv2_value_new_from_node(p->world, best)); + } else { + // No matches whatsoever + slv2_values_free(values); + values = NULL; } return values; } + +SLV2Values +slv2_values_from_stream_objects(SLV2Plugin p, + SLV2Matches stream) +{ + if (slv2_matches_end(stream)) { + slv2_match_end(stream); + return NULL; + } else if (p->world->filter_language) { + return slv2_values_from_stream_objects_i18n(p, stream); + } else { + SLV2Values values = slv2_values_new(); + FOREACH_MATCH(stream) { + g_ptr_array_add( + values, + slv2_value_new_from_node( + p->world, + slv2_match_object(stream))); + } + slv2_match_end(stream); + return values; + } +} |