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comparison 3rdparty/maddy/htmlparser.h @ 0:a4671277546c tip

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created the repository for the thymian project
author ferencd
date Tue, 17 Aug 2021 11:19:54 +0200
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-1:000000000000 0:a4671277546c
1 /*
2 * This project is licensed under the MIT license. For more information see the
3 * LICENSE file.
4 */
5 #pragma once
6
7 // -----------------------------------------------------------------------------
8
9 #include <functional>
10 #include <string>
11
12 #include "maddy/blockparser.h"
13
14 // -----------------------------------------------------------------------------
15
16 namespace maddy {
17
18 // -----------------------------------------------------------------------------
19
20 /**
21 * HtmlParser
22 *
23 * @class
24 */
25 class HtmlParser : public BlockParser
26 {
27 public:
28 /**
29 * ctor
30 *
31 * @method
32 * @param {std::function<void(std::string&)>} parseLineCallback
33 * @param {std::function<std::shared_ptr<BlockParser>(const std::string& line)>} getBlockParserForLineCallback
34 */
35 HtmlParser(
36 std::function<void(std::string&)> parseLineCallback,
37 std::function<std::shared_ptr<BlockParser>(const std::string& line)> getBlockParserForLineCallback
38 )
39 : BlockParser(parseLineCallback, getBlockParserForLineCallback)
40 , isStarted(false)
41 , isFinished(false)
42 , isGreaterThanFound(false)
43 {}
44
45 /**
46 * IsStartingLine
47 *
48 * If the line is starting with `<`, HTML is expected to follow.
49 * Nothing after that will be parsed, it only is copied.
50 *
51 * @method
52 * @param {const std::string&} line
53 * @return {bool}
54 */
55 static bool
56 IsStartingLine(const std::string& line)
57 {
58 return line[0] == '<';
59 }
60
61 /**
62 * IsFinished
63 *
64 * `>` followed by an empty line will end the HTML block.
65 *
66 * @method
67 * @return {bool}
68 */
69 bool
70 IsFinished() const override
71 {
72 return this->isFinished;
73 }
74
75 protected:
76 bool
77 isInlineBlockAllowed() const override
78 {
79 return false;
80 }
81
82 bool
83 isLineParserAllowed() const override
84 {
85 return false;
86 }
87
88 void
89 parseBlock(std::string& line) override
90 {
91 if (!this->isStarted)
92 {
93 this->isStarted = true;
94 }
95
96 if (!line.empty() && line[line.size() - 1] == '>')
97 {
98 this->isGreaterThanFound = true;
99 return;
100 }
101
102 if (line.empty() && this->isGreaterThanFound)
103 {
104 this->isFinished = true;
105 return;
106 }
107
108 if (!line.empty() && this->isGreaterThanFound)
109 {
110 this->isGreaterThanFound = false;
111 }
112
113 if (!line.empty())
114 {
115 line += " ";
116 }
117 }
118
119 private:
120 bool isStarted;
121 bool isFinished;
122 bool isGreaterThanFound;
123 }; // class HtmlParser
124
125 // -----------------------------------------------------------------------------
126
127 } // namespace maddy