diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pugixpath.cpp | 110 |
1 files changed, 54 insertions, 56 deletions
diff --git a/src/pugixpath.cpp b/src/pugixpath.cpp index 9ab7bd3..6663ef8 100644 --- a/src/pugixpath.cpp +++ b/src/pugixpath.cpp @@ -658,7 +658,7 @@ namespace pugi } } - void* alloc(size_t size) + void* allocate(size_t size) { // align size so that we're able to store pointers in subsequent blocks size = (size + sizeof(void*) - 1) & ~(sizeof(void*) - 1); @@ -686,8 +686,6 @@ namespace pugi return block->data; } } - - void* node(); }; xpath_node::xpath_node() @@ -2565,11 +2563,6 @@ namespace pugi } }; - void* xpath_allocator::node() - { - return alloc(sizeof(xpath_ast_node)); - } - struct xpath_parser { xpath_allocator& _alloc; @@ -2589,13 +2582,18 @@ namespace pugi longjmp(_error_handler, 1); } - const char_t* duplicate_string(const xpath_lexer_string& value) + void* alloc_node() + { + return _alloc.allocate(sizeof(xpath_ast_node)); + } + + const char_t* alloc_string(const xpath_lexer_string& value) { if (value.begin) { size_t length = static_cast<size_t>(value.end - value.begin); - char_t* c = static_cast<char_t*>(_alloc.alloc((length + 1) * sizeof(char_t))); + char_t* c = static_cast<char_t*>(_alloc.allocate((length + 1) * sizeof(char_t))); memcpy(c, value.begin, length * sizeof(char_t)); c[length] = 0; @@ -2610,7 +2608,7 @@ namespace pugi if (argc == 1 && args[0]->rettype() != xpath_type_node_set) throw_error("Function has to be applied to node set"); - return new (_alloc.node()) xpath_ast_node(argc == 0 ? type0 : type1, xpath_type_string, args[0]); + return new (alloc_node()) xpath_ast_node(argc == 0 ? type0 : type1, xpath_type_string, args[0]); } xpath_ast_node* parse_function(const xpath_lexer_string& name, size_t argc, xpath_ast_node* args[2]) @@ -2619,7 +2617,7 @@ namespace pugi { case 'b': if (name == PUGIXML_TEXT("boolean") && argc == 1) - return new (_alloc.node()) xpath_ast_node(ast_func_boolean, xpath_type_boolean, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_boolean, xpath_type_boolean, args[0]); break; @@ -2627,36 +2625,36 @@ namespace pugi if (name == PUGIXML_TEXT("count") && argc == 1) { if (args[0]->rettype() != xpath_type_node_set) throw_error("count() has to be applied to node set"); - return new (_alloc.node()) xpath_ast_node(ast_func_count, xpath_type_number, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_count, xpath_type_number, args[0]); } else if (name == PUGIXML_TEXT("contains") && argc == 2) - return new (_alloc.node()) xpath_ast_node(ast_func_contains, xpath_type_string, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(ast_func_contains, xpath_type_string, args[0], args[1]); else if (name == PUGIXML_TEXT("concat") && argc >= 2) - return new (_alloc.node()) xpath_ast_node(ast_func_concat, xpath_type_string, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(ast_func_concat, xpath_type_string, args[0], args[1]); else if (name == PUGIXML_TEXT("ceiling") && argc == 1) - return new (_alloc.node()) xpath_ast_node(ast_func_ceiling, xpath_type_number, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_ceiling, xpath_type_number, args[0]); break; case 'f': if (name == PUGIXML_TEXT("false") && argc == 0) - return new (_alloc.node()) xpath_ast_node(ast_func_false, xpath_type_boolean); + return new (alloc_node()) xpath_ast_node(ast_func_false, xpath_type_boolean); else if (name == PUGIXML_TEXT("floor") && argc == 1) - return new (_alloc.node()) xpath_ast_node(ast_func_floor, xpath_type_number, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_floor, xpath_type_number, args[0]); break; case 'i': if (name == PUGIXML_TEXT("id") && argc == 1) - return new (_alloc.node()) xpath_ast_node(ast_func_id, xpath_type_node_set, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_id, xpath_type_node_set, args[0]); break; case 'l': if (name == PUGIXML_TEXT("last") && argc == 0) - return new (_alloc.node()) xpath_ast_node(ast_func_last, xpath_type_number); + return new (alloc_node()) xpath_ast_node(ast_func_last, xpath_type_number); else if (name == PUGIXML_TEXT("lang") && argc == 1) - return new (_alloc.node()) xpath_ast_node(ast_func_lang, xpath_type_boolean, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_lang, xpath_type_boolean, args[0]); else if (name == PUGIXML_TEXT("local-name") && argc <= 1) return parse_function_helper(ast_func_local_name_0, ast_func_local_name_1, argc, args); @@ -2668,52 +2666,52 @@ namespace pugi else if (name == PUGIXML_TEXT("namespace-uri") && argc <= 1) return parse_function_helper(ast_func_namespace_uri_0, ast_func_namespace_uri_1, argc, args); else if (name == PUGIXML_TEXT("normalize-space") && argc <= 1) - return new (_alloc.node()) xpath_ast_node(argc == 0 ? ast_func_normalize_space_0 : ast_func_normalize_space_1, xpath_type_string, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_normalize_space_0 : ast_func_normalize_space_1, xpath_type_string, args[0], args[1]); else if (name == PUGIXML_TEXT("not") && argc == 1) - return new (_alloc.node()) xpath_ast_node(ast_func_not, xpath_type_boolean, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_not, xpath_type_boolean, args[0]); else if (name == PUGIXML_TEXT("number") && argc <= 1) - return new (_alloc.node()) xpath_ast_node(argc == 0 ? ast_func_number_0 : ast_func_number_1, xpath_type_number, args[0]); + return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_number_0 : ast_func_number_1, xpath_type_number, args[0]); break; case 'p': if (name == PUGIXML_TEXT("position") && argc == 0) - return new (_alloc.node()) xpath_ast_node(ast_func_position, xpath_type_number); + return new (alloc_node()) xpath_ast_node(ast_func_position, xpath_type_number); break; case 'r': if (name == PUGIXML_TEXT("round") && argc == 1) - return new (_alloc.node()) xpath_ast_node(ast_func_round, xpath_type_number, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_round, xpath_type_number, args[0]); break; case 's': if (name == PUGIXML_TEXT("string") && argc <= 1) - return new (_alloc.node()) xpath_ast_node(argc == 0 ? ast_func_string_0 : ast_func_string_1, xpath_type_string, args[0]); + return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_string_0 : ast_func_string_1, xpath_type_string, args[0]); else if (name == PUGIXML_TEXT("string-length") && argc <= 1) - return new (_alloc.node()) xpath_ast_node(argc == 0 ? ast_func_string_length_0 : ast_func_string_length_1, xpath_type_string, args[0]); + return new (alloc_node()) xpath_ast_node(argc == 0 ? ast_func_string_length_0 : ast_func_string_length_1, xpath_type_string, args[0]); else if (name == PUGIXML_TEXT("starts-with") && argc == 2) - return new (_alloc.node()) xpath_ast_node(ast_func_starts_with, xpath_type_boolean, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(ast_func_starts_with, xpath_type_boolean, args[0], args[1]); else if (name == PUGIXML_TEXT("substring-before") && argc == 2) - return new (_alloc.node()) xpath_ast_node(ast_func_substring_before, xpath_type_string, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(ast_func_substring_before, xpath_type_string, args[0], args[1]); else if (name == PUGIXML_TEXT("substring-after") && argc == 2) - return new (_alloc.node()) xpath_ast_node(ast_func_substring_after, xpath_type_string, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(ast_func_substring_after, xpath_type_string, args[0], args[1]); else if (name == PUGIXML_TEXT("substring") && (argc == 2 || argc == 3)) - return new (_alloc.node()) xpath_ast_node(argc == 2 ? ast_func_substring_2 : ast_func_substring_3, xpath_type_string, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(argc == 2 ? ast_func_substring_2 : ast_func_substring_3, xpath_type_string, args[0], args[1]); else if (name == PUGIXML_TEXT("sum") && argc == 1) { if (args[0]->rettype() != xpath_type_node_set) throw_error("sum() has to be applied to node set"); - return new (_alloc.node()) xpath_ast_node(ast_func_sum, xpath_type_number, args[0]); + return new (alloc_node()) xpath_ast_node(ast_func_sum, xpath_type_number, args[0]); } break; case 't': if (name == PUGIXML_TEXT("translate") && argc == 3) - return new (_alloc.node()) xpath_ast_node(ast_func_translate, xpath_type_string, args[0], args[1]); + return new (alloc_node()) xpath_ast_node(ast_func_translate, xpath_type_string, args[0], args[1]); else if (name == PUGIXML_TEXT("true") && argc == 0) - return new (_alloc.node()) xpath_ast_node(ast_func_true, xpath_type_boolean); + return new (alloc_node()) xpath_ast_node(ast_func_true, xpath_type_boolean); break; } @@ -2848,9 +2846,9 @@ namespace pugi case lex_quoted_string: { - const char_t* value = duplicate_string(_lexer.contents()); + const char_t* value = alloc_string(_lexer.contents()); - xpath_ast_node* n = new (_alloc.node()) xpath_ast_node(ast_string_constant, xpath_type_string, value); + xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_string_constant, xpath_type_string, value); _lexer.next(); return n; @@ -2860,7 +2858,7 @@ namespace pugi { double value = convert_string_to_number(_lexer.contents().begin, _lexer.contents().end); - xpath_ast_node* n = new (_alloc.node()) xpath_ast_node(ast_number_constant, xpath_type_number, value); + xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_number_constant, xpath_type_number, value); _lexer.next(); return n; @@ -2927,7 +2925,7 @@ namespace pugi bool posinv = expr->rettype() != xpath_type_number && expr->is_posinv(); - n = new (_alloc.node()) xpath_ast_node(posinv ? ast_filter_posinv : ast_filter, xpath_type_node_set, n, expr); + n = new (alloc_node()) xpath_ast_node(posinv ? ast_filter_posinv : ast_filter, xpath_type_node_set, n, expr); if (_lexer.current() != lex_close_square_brace) throw_error("Unmatched square brace"); @@ -2962,13 +2960,13 @@ namespace pugi { _lexer.next(); - return new (_alloc.node()) xpath_ast_node(ast_step, set, axis_self, nodetest_type_node, 0); + return new (alloc_node()) xpath_ast_node(ast_step, set, axis_self, nodetest_type_node, 0); } else if (_lexer.current() == lex_double_dot) { _lexer.next(); - return new (_alloc.node()) xpath_ast_node(ast_step, set, axis_parent, nodetest_type_node, 0); + return new (alloc_node()) xpath_ast_node(ast_step, set, axis_parent, nodetest_type_node, 0); } nodetest_t nt_type = nodetest_none; @@ -3063,7 +3061,7 @@ namespace pugi } else throw_error("Unrecognized node test"); - xpath_ast_node* n = new (_alloc.node()) xpath_ast_node(ast_step, set, axis, nt_type, duplicate_string(nt_name)); + xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_step, set, axis, nt_type, alloc_string(nt_name)); xpath_ast_node* last = 0; @@ -3073,7 +3071,7 @@ namespace pugi xpath_ast_node* expr = parse_expression(); - xpath_ast_node* pred = new (_alloc.node()) xpath_ast_node(ast_predicate, xpath_type_node_set, expr); + xpath_ast_node* pred = new (alloc_node()) xpath_ast_node(ast_predicate, xpath_type_node_set, expr); if (_lexer.current() != lex_close_square_brace) throw_error("Unmatched square brace"); @@ -3099,7 +3097,7 @@ namespace pugi _lexer.next(); if (l == lex_double_slash) - n = new (_alloc.node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0); + n = new (alloc_node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0); n = parse_step(n); } @@ -3115,7 +3113,7 @@ namespace pugi { _lexer.next(); - xpath_ast_node* n = new (_alloc.node()) xpath_ast_node(ast_step_root, xpath_type_node_set); + xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_step_root, xpath_type_node_set); // relative location path can start from axis_attribute, dot, double_dot, multiply and string lexemes; any other lexeme means standalone root path lexeme_t l = _lexer.current(); @@ -3129,8 +3127,8 @@ namespace pugi { _lexer.next(); - xpath_ast_node* n = new (_alloc.node()) xpath_ast_node(ast_step_root, xpath_type_node_set); - n = new (_alloc.node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0); + xpath_ast_node* n = new (alloc_node()) xpath_ast_node(ast_step_root, xpath_type_node_set); + n = new (alloc_node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0); return parse_relative_location_path(n); } @@ -3181,7 +3179,7 @@ namespace pugi { if (n->rettype() != xpath_type_node_set) throw_error("Step has to be applied to node set"); - n = new (_alloc.node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0); + n = new (alloc_node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0); } // select from location path @@ -3207,7 +3205,7 @@ namespace pugi if (n->rettype() != xpath_type_node_set || expr->rettype() != xpath_type_node_set) throw_error("Union operator has to be applied to node sets"); - n = new (_alloc.node()) xpath_ast_node(ast_op_union, xpath_type_node_set, n, expr); + n = new (alloc_node()) xpath_ast_node(ast_op_union, xpath_type_node_set, n, expr); } return n; @@ -3222,7 +3220,7 @@ namespace pugi xpath_ast_node* expr = parse_unary_expression(); - return new (_alloc.node()) xpath_ast_node(ast_op_negate, xpath_type_number, expr); + return new (alloc_node()) xpath_ast_node(ast_op_negate, xpath_type_number, expr); } else return parse_union_expression(); } @@ -3244,7 +3242,7 @@ namespace pugi xpath_ast_node* expr = parse_unary_expression(); - n = new (_alloc.node()) xpath_ast_node(op, xpath_type_number, n, expr); + n = new (alloc_node()) xpath_ast_node(op, xpath_type_number, n, expr); } return n; @@ -3265,7 +3263,7 @@ namespace pugi xpath_ast_node* expr = parse_multiplicative_expression(); - n = new (_alloc.node()) xpath_ast_node(l == lex_plus ? ast_op_add : ast_op_subtract, xpath_type_number, n, expr); + n = new (alloc_node()) xpath_ast_node(l == lex_plus ? ast_op_add : ast_op_subtract, xpath_type_number, n, expr); } return n; @@ -3288,7 +3286,7 @@ namespace pugi xpath_ast_node* expr = parse_additive_expression(); - n = new (_alloc.node()) xpath_ast_node(l == lex_less ? ast_op_less : l == lex_greater ? ast_op_greater : + n = new (alloc_node()) xpath_ast_node(l == lex_less ? ast_op_less : l == lex_greater ? ast_op_greater : l == lex_less_or_equal ? ast_op_less_or_equal : ast_op_greater_or_equal, xpath_type_boolean, n, expr); } @@ -3310,7 +3308,7 @@ namespace pugi xpath_ast_node* expr = parse_relational_expression(); - n = new (_alloc.node()) xpath_ast_node(l == lex_equal ? ast_op_equal : ast_op_not_equal, xpath_type_boolean, n, expr); + n = new (alloc_node()) xpath_ast_node(l == lex_equal ? ast_op_equal : ast_op_not_equal, xpath_type_boolean, n, expr); } return n; @@ -3327,7 +3325,7 @@ namespace pugi xpath_ast_node* expr = parse_equality_expression(); - n = new (_alloc.node()) xpath_ast_node(ast_op_and, xpath_type_boolean, n, expr); + n = new (alloc_node()) xpath_ast_node(ast_op_and, xpath_type_boolean, n, expr); } return n; @@ -3344,7 +3342,7 @@ namespace pugi xpath_ast_node* expr = parse_and_expression(); - n = new (_alloc.node()) xpath_ast_node(ast_op_or, xpath_type_boolean, n, expr); + n = new (alloc_node()) xpath_ast_node(ast_op_or, xpath_type_boolean, n, expr); } return n; |