FilesExpand file tree

 master

/

PdeKeywords.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

194 lines (163 loc) · 6.45 KB

 master

/

PdeKeywords.java

Copy path

Top

File metadata and controls

• Code
• Blame

194 lines (163 loc) · 6.45 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

/*

PdeKeywords - handles text coloring and links to html reference

Part of the Processing project - http://processing.org

Copyright (c) 2004-06 Ben Fry and Casey Reas

Copyright (c) 2001-04 Massachusetts Institute of Technology

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software Foundation,

Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

*/

package processing.app.syntax;

import cc.arduino.contributions.libraries.ContributedLibrary;

import org.apache.commons.compress.utils.IOUtils;

import org.fife.ui.rsyntaxtextarea.TokenMap;

import org.fife.ui.rsyntaxtextarea.TokenTypes;

import processing.app.Base;

import processing.app.BaseNoGui;

import processing.app.legacy.PApplet;

import processing.app.debug.TargetPlatform;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStreamReader;

import java.util.HashMap;

import java.util.Map;

import java.util.regex.Pattern;

public class PdeKeywords {

private static final Map<String, Integer> KNOWN_TOKEN_TYPES = new HashMap<>();

private static final Pattern ALPHA = Pattern.compile("\\w");

static {

KNOWN_TOKEN_TYPES.put("RESERVED_WORD", TokenTypes.RESERVED_WORD);

KNOWN_TOKEN_TYPES.put("RESERVED_WORD_2", TokenTypes.RESERVED_WORD_2);

KNOWN_TOKEN_TYPES.put("VARIABLE", TokenTypes.VARIABLE);

KNOWN_TOKEN_TYPES.put("OPERATOR", TokenTypes.OPERATOR);

KNOWN_TOKEN_TYPES.put("DATA_TYPE", TokenTypes.DATA_TYPE);

KNOWN_TOKEN_TYPES.put("LITERAL_BOOLEAN", TokenTypes.LITERAL_BOOLEAN);

KNOWN_TOKEN_TYPES.put("LITERAL_CHAR", TokenTypes.LITERAL_CHAR);

KNOWN_TOKEN_TYPES.put("PREPROCESSOR", TokenTypes.PREPROCESSOR);

}

// lookup table for the TokenMarker subclass, handles coloring

private final TokenMap keywordTokenType;

private final Map<String, String> keywordOldToken;

private final Map<String, String> keywordTokenTypeAsString;

// lookup table that maps keywords to their html reference pages

private final Map<String, String> keywordToReference;

public PdeKeywords() {

this.keywordTokenType = new TokenMap();

this.keywordOldToken = new HashMap<>();

this.keywordTokenTypeAsString = new HashMap<>();

this.keywordToReference = new HashMap<>();

}

/**

* Handles loading of keywords file.

* <p/>

* Uses getKeywords() method because that's part of the

* TokenMarker classes.

* <p/>

* It is recommended that a # sign be used for comments

* inside keywords.txt.

*/

public void reload() {

try {

parseKeywordsTxt(new File(BaseNoGui.getContentFile("lib"), "keywords.txt"));

TargetPlatform tp = BaseNoGui.getTargetPlatform();

if (tp != null) {

File platformKeywords = new File(tp.getFolder(), "keywords.txt");

if (platformKeywords.exists()) parseKeywordsTxt(platformKeywords);

}

for (ContributedLibrary lib : Base.getLibraries()) {

File keywords = new File(lib.getInstalledFolder(), "keywords.txt");

if (keywords.exists()) {

parseKeywordsTxt(keywords);

}

}

} catch (Exception e) {

Base.showError("Problem loading keywords", "Could not load keywords.txt,\nplease re-install Arduino.", e);

System.exit(1);

}

}

private void parseKeywordsTxt(File input) throws Exception {

BufferedReader reader = null;

try {

reader = new BufferedReader(new InputStreamReader(new FileInputStream(input)));

String line;

while ((line = reader.readLine()) != null) {

//System.out.println("line is " + line);

// in case there's any garbage on the line

line = line.trim();

if (line.length() == 0 || line.startsWith("#")) {

continue;

}

String pieces[] = line.split("\\s+", 4);

String keyword = pieces[0].trim();

if (keyword.startsWith("\\#")) {

keyword = keyword.replace("\\#", "#");

}

if (pieces.length >= 2) {

keywordOldToken.put(keyword, pieces[1]);

}

if (pieces.length >= 3) {

parseHTMLReferenceFileName(pieces[2], keyword);

}

if (pieces.length >= 4) {

parseRSyntaxTextAreaTokenType(pieces[3], keyword);

}

}

fillMissingTokenType();

} finally {

IOUtils.closeQuietly(reader);

}

}

private void fillMissingTokenType() {

for (Map.Entry<String, String> oldTokenEntry : keywordOldToken.entrySet()) {

String keyword = oldTokenEntry.getKey();

if (!keywordTokenTypeAsString.containsKey(keyword)) {

if ("KEYWORD1".equals(oldTokenEntry.getValue())) {

parseRSyntaxTextAreaTokenType("DATA_TYPE", keyword);

}

else if ("LITERAL1".equals(oldTokenEntry.getValue())) {

parseRSyntaxTextAreaTokenType("RESERVED_WORD_2", keyword);

}

else {

parseRSyntaxTextAreaTokenType("FUNCTION", keyword);

}

}

}

}

private void parseRSyntaxTextAreaTokenType(String tokenTypeAsString, String keyword) {

if (!ALPHA.matcher(keyword).find()) {

return;

}

if (KNOWN_TOKEN_TYPES.containsKey(tokenTypeAsString)) {

keywordTokenType.put(keyword, KNOWN_TOKEN_TYPES.get(tokenTypeAsString));

keywordTokenTypeAsString.put(keyword, tokenTypeAsString);

} else {

keywordTokenType.put(keyword, TokenTypes.FUNCTION);

keywordTokenTypeAsString.put(keyword, "FUNCTION");

}

}

private void parseHTMLReferenceFileName(String piece, String keyword) {

String htmlFilename = piece.trim();

if (htmlFilename.length() > 0) {

keywordToReference.put(keyword, htmlFilename);

}

}

public String getReference(String keyword) {

return keywordToReference.get(keyword);

}

public String getTokenTypeAsString(String keyword) {

return keywordTokenTypeAsString.get(keyword);

}

public int getTokenType(char[] array, int start, int end) {

return keywordTokenType.get(array, start, end);

}

}