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| 1 | +#include "sass.h" |
| 2 | +#include "values.hpp" |
| 3 | + |
| 4 | +#include <stdint.h> |
| 5 | + |
| 6 | +namespace Sass { |
| 7 | + using namespace std; |
| 8 | + |
| 9 | + // convert value from C++ side to C-API |
| 10 | + union Sass_Value* ast_node_to_sass_value (const Expression* val) |
| 11 | + { |
| 12 | + if (val->concrete_type() == Expression::NUMBER) |
| 13 | + { |
| 14 | + const Number* res = dynamic_cast<const Number*>(val); |
| 15 | + return sass_make_number(res->value(), res->unit().c_str()); |
| 16 | + } |
| 17 | + else if (val->concrete_type() == Expression::COLOR) |
| 18 | + { |
| 19 | + const Color* col = dynamic_cast<const Color*>(val); |
| 20 | + return sass_make_color(col->r(), col->g(), col->b(), col->a()); |
| 21 | + } |
| 22 | + else if (val->concrete_type() == Expression::LIST) |
| 23 | + { |
| 24 | + const List* l = dynamic_cast<const List*>(val); |
| 25 | + union Sass_Value* list = sass_make_list(l->size(), l->separator()); |
| 26 | + for (size_t i = 0, L = l->length(); i < L; ++i) { |
| 27 | + auto val = ast_node_to_sass_value((*l)[i]); |
| 28 | + sass_list_set_value(list, i, val); |
| 29 | + } |
| 30 | + return list; |
| 31 | + } |
| 32 | + else if (val->concrete_type() == Expression::MAP) |
| 33 | + { |
| 34 | + const Map* m = dynamic_cast<const Map*>(val); |
| 35 | + union Sass_Value* map = sass_make_map(m->length()); |
| 36 | + size_t i = 0; for (auto key : m->keys()) { |
| 37 | + sass_map_set_key(map, i, ast_node_to_sass_value(key)); |
| 38 | + sass_map_set_value(map, i, ast_node_to_sass_value(m->at(key))); |
| 39 | + ++ i; |
| 40 | + } |
| 41 | + return map; |
| 42 | + } |
| 43 | + else if (val->concrete_type() == Expression::NULL_VAL) |
| 44 | + { |
| 45 | + return sass_make_null(); |
| 46 | + } |
| 47 | + else if (val->concrete_type() == Expression::BOOLEAN) |
| 48 | + { |
| 49 | + const Boolean* res = dynamic_cast<const Boolean*>(val); |
| 50 | + return sass_make_boolean(res->value()); |
| 51 | + } |
| 52 | + else if (val->concrete_type() == Expression::STRING) |
| 53 | + { |
| 54 | + if (const String_Quoted* qstr = dynamic_cast<const String_Quoted*>(val)) |
| 55 | + { |
| 56 | + return sass_make_qstring(qstr->value().c_str()); |
| 57 | + } |
| 58 | + else if (const String_Constant* cstr = dynamic_cast<const String_Constant*>(val)) |
| 59 | + { |
| 60 | + return sass_make_string(cstr->value().c_str()); |
| 61 | + } |
| 62 | + } |
| 63 | + return sass_make_error("unknown sass value type"); |
| 64 | + } |
| 65 | + |
| 66 | + // convert value from C-API to C++ side |
| 67 | + Value* sass_value_to_ast_node (Memory_Manager<AST_Node>& mem, const union Sass_Value* val) |
| 68 | + { |
| 69 | + switch (sass_value_get_tag(val)) { |
| 70 | + case SASS_NUMBER: |
| 71 | + return new (mem) Number(ParserState("[C-VALUE]"), |
| 72 | + sass_number_get_value(val), |
| 73 | + sass_number_get_unit(val)); |
| 74 | + break; |
| 75 | + case SASS_BOOLEAN: |
| 76 | + return new (mem) Boolean(ParserState("[C-VALUE]"), |
| 77 | + sass_boolean_get_value(val)); |
| 78 | + break; |
| 79 | + case SASS_COLOR: |
| 80 | + return new (mem) Color(ParserState("[C-VALUE]"), |
| 81 | + sass_color_get_r(val), |
| 82 | + sass_color_get_g(val), |
| 83 | + sass_color_get_b(val), |
| 84 | + sass_color_get_a(val)); |
| 85 | + break; |
| 86 | + case SASS_STRING: |
| 87 | + return new (mem) String_Quoted(ParserState("[C-VALUE]"), |
| 88 | + sass_string_get_value(val)); |
| 89 | + break; |
| 90 | + case SASS_LIST: { |
| 91 | + List* l = new (mem) List(ParserState("[C-VALUE]"), |
| 92 | + sass_list_get_length(val), |
| 93 | + sass_list_get_separator(val)); |
| 94 | + for (size_t i = 0, L = sass_list_get_length(val); i < L; ++i) { |
| 95 | + *l << sass_value_to_ast_node(mem, sass_list_get_value(val, i)); |
| 96 | + } |
| 97 | + return l; |
| 98 | + } |
| 99 | + break; |
| 100 | + case SASS_MAP: { |
| 101 | + Map* m = new (mem) Map(ParserState("[C-VALUE]")); |
| 102 | + for (size_t i = 0, L = sass_map_get_length(val); i < L; ++i) { |
| 103 | + *m << std::make_pair( |
| 104 | + sass_value_to_ast_node(mem, sass_map_get_key(val, i)), |
| 105 | + sass_value_to_ast_node(mem, sass_map_get_value(val, i))); |
| 106 | + } |
| 107 | + return m; |
| 108 | + } |
| 109 | + break; |
| 110 | + case SASS_NULL: |
| 111 | + return new (mem) Null(ParserState("[C-VALUE]")); |
| 112 | + break; |
| 113 | + case SASS_ERROR: |
| 114 | + return new (mem) Custom_Error(ParserState("[C-VALUE]"), |
| 115 | + sass_error_get_message(val)); |
| 116 | + break; |
| 117 | + case SASS_WARNING: |
| 118 | + return new (mem) Custom_Warning(ParserState("[C-VALUE]"), |
| 119 | + sass_warning_get_message(val)); |
| 120 | + break; |
| 121 | + } |
| 122 | + return 0; |
| 123 | + } |
| 124 | + |
| 125 | +} |
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