20550e2018-03-06Pontus Östlund #include "sass.hpp" #include "sass.h" #include "values.hpp" #include <stdint.h> namespace Sass { // convert value from C++ side to C-API union Sass_Value* ast_node_to_sass_value (const Expression_Ptr val) { if (val->concrete_type() == Expression::NUMBER) { Number_Ptr_Const res = Cast<Number>(val); return sass_make_number(res->value(), res->unit().c_str()); } else if (val->concrete_type() == Expression::COLOR) { Color_Ptr_Const col = Cast<Color>(val); return sass_make_color(col->r(), col->g(), col->b(), col->a()); } else if (val->concrete_type() == Expression::LIST) { List_Ptr_Const l = Cast<List>(val); union Sass_Value* list = sass_make_list(l->size(), l->separator()); for (size_t i = 0, L = l->length(); i < L; ++i) { Expression_Obj obj = l->at(i); auto val = ast_node_to_sass_value(obj); sass_list_set_value(list, i, val); } return list; } else if (val->concrete_type() == Expression::MAP) { Map_Ptr_Const m = Cast<Map>(val); union Sass_Value* map = sass_make_map(m->length()); size_t i = 0; for (Expression_Obj key : m->keys()) { sass_map_set_key(map, i, ast_node_to_sass_value(key)); sass_map_set_value(map, i, ast_node_to_sass_value(m->at(key))); ++ i; } return map; } else if (val->concrete_type() == Expression::NULL_VAL) { return sass_make_null(); } else if (val->concrete_type() == Expression::BOOLEAN) { Boolean_Ptr_Const res = Cast<Boolean>(val); return sass_make_boolean(res->value()); } else if (val->concrete_type() == Expression::STRING) { if (String_Quoted_Ptr_Const qstr = Cast<String_Quoted>(val)) { return sass_make_qstring(qstr->value().c_str()); } else if (String_Constant_Ptr_Const cstr = Cast<String_Constant>(val)) { return sass_make_string(cstr->value().c_str()); } } return sass_make_error("unknown sass value type"); } // convert value from C-API to C++ side Value_Ptr sass_value_to_ast_node (const union Sass_Value* val) { switch (sass_value_get_tag(val)) { case SASS_NUMBER: return SASS_MEMORY_NEW(Number, ParserState("[C-VALUE]"), sass_number_get_value(val), sass_number_get_unit(val)); case SASS_BOOLEAN: return SASS_MEMORY_NEW(Boolean, ParserState("[C-VALUE]"), sass_boolean_get_value(val)); case SASS_COLOR: return SASS_MEMORY_NEW(Color, ParserState("[C-VALUE]"), sass_color_get_r(val), sass_color_get_g(val), sass_color_get_b(val), sass_color_get_a(val)); case SASS_STRING: if (sass_string_is_quoted(val)) { return SASS_MEMORY_NEW(String_Quoted, ParserState("[C-VALUE]"), sass_string_get_value(val)); } return SASS_MEMORY_NEW(String_Constant, ParserState("[C-VALUE]"), sass_string_get_value(val)); case SASS_LIST: { List_Ptr l = SASS_MEMORY_NEW(List, ParserState("[C-VALUE]"), sass_list_get_length(val), sass_list_get_separator(val)); for (size_t i = 0, L = sass_list_get_length(val); i < L; ++i) { l->append(sass_value_to_ast_node(sass_list_get_value(val, i))); } return l; } case SASS_MAP: { Map_Ptr m = SASS_MEMORY_NEW(Map, ParserState("[C-VALUE]")); for (size_t i = 0, L = sass_map_get_length(val); i < L; ++i) { *m << std::make_pair( sass_value_to_ast_node(sass_map_get_key(val, i)), sass_value_to_ast_node(sass_map_get_value(val, i))); } return m; } case SASS_NULL: return SASS_MEMORY_NEW(Null, ParserState("[C-VALUE]")); case SASS_ERROR: return SASS_MEMORY_NEW(Custom_Error, ParserState("[C-VALUE]"), sass_error_get_message(val)); case SASS_WARNING: return SASS_MEMORY_NEW(Custom_Warning, ParserState("[C-VALUE]"), sass_warning_get_message(val)); default: break; } return 0; } }