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