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(Re-)implementing syntax highlighting support for library keywords.

This commit is contained in:
David A. Mellis 2009-07-12 00:40:02 +00:00
parent f0c3263b2f
commit 59a85bfe59
2 changed files with 63 additions and 47 deletions
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11
app/src/processing/app/Base.java
View File

@ -76,6 +76,8 @@ public class Base {
static private File toolsFolder;
static private File hardwareFolder;
static HashSet<File> libraries;
// maps imported packages to their library folder
static HashMap<String, File> importToLibraryTable;
@ -963,6 +965,9 @@ public class Base {
//System.out.println("rebuilding import menu");
importMenu.removeAll();
// reset the set of libraries
libraries = new HashSet<File>();
// reset the table mapping imports to libraries
importToLibraryTable = new HashMap<String, File>();
@ -1148,6 +1153,7 @@ public class Base {
// // need to associate each import with a library folder
// String packages[] =
// Compiler.packageListFromClassPath(libraryClassPath);
libraries.add(subfolder);
String packages[] = Compiler.headerListFromIncludePath(subfolder.getAbsolutePath());
for (String pkg : packages) {
importToLibraryTable.put(pkg, subfolder);
@ -1395,6 +1401,11 @@ public class Base {
}
static public Set<File> getLibraries() {
return libraries;
}
static public String getExamplesPath() {
return examplesFolder.getAbsolutePath();
}

97
app/src/processing/app/syntax/PdeKeywords.java
View File

@ -58,53 +58,11 @@ public class PdeKeywords extends CTokenMarker {
try {
keywordColoring = new KeywordMap(false);
keywordToReference = new Hashtable();
InputStream input = Base.getLibStream("keywords.txt");
InputStreamReader isr = new InputStreamReader(input);
BufferedReader reader = new BufferedReader(isr);
String line = null;
while ((line = reader.readLine()) != null) {
//System.out.println("line is " + line);
// in case there's any garbage on the line
//if (line.trim().length() == 0) continue;
String pieces[] = processing.core.PApplet.split(line, '\t');
if (pieces.length >= 2) {
//int tab = line.indexOf('\t');
// any line with no tab is ignored
// meaning that a comment is any line without a tab
//if (tab == -1) continue;
String keyword = pieces[0].trim();
//String keyword = line.substring(0, tab).trim();
//String second = line.substring(tab + 1);
//tab = second.indexOf('\t');
//String coloring = second.substring(0, tab).trim();
//String htmlFilename = second.substring(tab + 1).trim();
String coloring = pieces[1].trim();
if (coloring.length() > 0) {
// text will be KEYWORD or LITERAL
boolean isKey = (coloring.charAt(0) == 'K');
// KEYWORD1 -> 0, KEYWORD2 -> 1, etc
int num = coloring.charAt(coloring.length() - 1) - '1';
byte id = (byte)
((isKey ? Token.KEYWORD1 : Token.LITERAL1) + num);
//System.out.println("got " + (isKey ? "keyword" : "literal") +
// (num+1) + " for " + keyword);
keywordColoring.add(keyword, id);
}
if (pieces.length >= 3) {
String htmlFilename = pieces[2].trim();
if (htmlFilename.length() > 0) {
keywordToReference.put(keyword, htmlFilename);
}
}
}
getKeywords(Base.getLibStream("keywords.txt"));
for (File lib : Base.getLibraries()) {
File keywords = new File(lib, "keywords.txt");
if (keywords.exists()) getKeywords(new FileInputStream(keywords));
}
reader.close();
} catch (Exception e) {
Base.showError("Problem loading keywords",
"Could not load keywords.txt,\n" +
@ -115,6 +73,53 @@ public class PdeKeywords extends CTokenMarker {
return keywordColoring;
}
static private void getKeywords(InputStream input) throws Exception {
InputStreamReader isr = new InputStreamReader(input);
BufferedReader reader = new BufferedReader(isr);
String line = null;
while ((line = reader.readLine()) != null) {
//System.out.println("line is " + line);
// in case there's any garbage on the line
//if (line.trim().length() == 0) continue;
String pieces[] = processing.core.PApplet.split(line, '\t');
if (pieces.length >= 2) {
//int tab = line.indexOf('\t');
// any line with no tab is ignored
// meaning that a comment is any line without a tab
//if (tab == -1) continue;
String keyword = pieces[0].trim();
//String keyword = line.substring(0, tab).trim();
//String second = line.substring(tab + 1);
//tab = second.indexOf('\t');
//String coloring = second.substring(0, tab).trim();
//String htmlFilename = second.substring(tab + 1).trim();
String coloring = pieces[1].trim();
if (coloring.length() > 0) {
// text will be KEYWORD or LITERAL
boolean isKey = (coloring.charAt(0) == 'K');
// KEYWORD1 -> 0, KEYWORD2 -> 1, etc
int num = coloring.charAt(coloring.length() - 1) - '1';
byte id = (byte)
((isKey ? Token.KEYWORD1 : Token.LITERAL1) + num);
//System.out.println("got " + (isKey ? "keyword" : "literal") +
// (num+1) + " for " + keyword);
keywordColoring.add(keyword, id);
}
if (pieces.length >= 3) {
String htmlFilename = pieces[2].trim();
if (htmlFilename.length() > 0) {
keywordToReference.put(keyword, htmlFilename);
}
}
}
}
reader.close();
}
static public String getReference(String keyword) {
return (String) keywordToReference.get(keyword);