1 /*
2  * Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved.
3 
4  * Permission is hereby granted, free of charge, to any person obtaining a copy
5  * of this software and associated documentation files (the "Software"), to deal
6  * in the Software without restriction, including without limitation the rights
7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  * copies of the Software, and to permit persons to whom the Software is
9  * furnished to do so, subject to the following conditions:
10 
11  * The above copyright notice and this permission notice shall be included in all
12  * copies or substantial portions of the Software.
13 
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  */
22 
23 #include "../../lv_conf_internal.h"
24 #if LV_USE_THORVG_INTERNAL
25 
26 #ifndef _TVG_SIMPLE_XML_PARSER_H_
27 #define _TVG_SIMPLE_XML_PARSER_H_
28 
29 #include "tvgSvgLoaderCommon.h"
30 
31 #define NUMBER_OF_XML_ENTITIES 9
32 const char* const xmlEntity[] = {"
", """, " ", "'", "&", "<", ">", "#", "'"};
33 const int xmlEntityLength[] = {5, 6, 6, 6, 5, 4, 4, 6, 6};
34 
35 enum class SimpleXMLType
36 {
37     Open = 0,     //!< \<tag attribute="value"\>
38     OpenEmpty,    //!< \<tag attribute="value" /\>
39     Close,        //!< \</tag\>
40     Data,         //!< tag text data
41     CData,        //!< \<![cdata[something]]\>
42     Error,        //!< error contents
43     Processing,   //!< \<?xml ... ?\> \<?php .. ?\>
44     Doctype,      //!< \<!doctype html
45     Comment,      //!< \<!-- something --\>
46     Ignored,      //!< whatever is ignored by parser, like whitespace
47     DoctypeChild  //!< \<!doctype_child
48 };
49 
50 typedef bool (*simpleXMLCb)(void* data, SimpleXMLType type, const char* content, unsigned int length);
51 typedef bool (*simpleXMLAttributeCb)(void* data, const char* key, const char* value);
52 
53 bool simpleXmlParseAttributes(const char* buf, unsigned bufLength, simpleXMLAttributeCb func, const void* data);
54 bool simpleXmlParse(const char* buf, unsigned bufLength, bool strip, simpleXMLCb func, const void* data);
55 bool simpleXmlParseW3CAttribute(const char* buf, unsigned bufLength, simpleXMLAttributeCb func, const void* data);
56 const char* simpleXmlParseCSSAttribute(const char* buf, unsigned bufLength, char** tag, char** name, const char** attrs, unsigned* attrsLength);
57 const char* simpleXmlFindAttributesTag(const char* buf, unsigned bufLength);
58 bool isIgnoreUnsupportedLogElements(const char* tagName);
59 const char* simpleXmlNodeTypeToString(SvgNodeType type);
60 
61 #endif //_TVG_SIMPLE_XML_PARSER_H_
62 
63 #endif /* LV_USE_THORVG_INTERNAL */
64 
65