1 package eu.svjatoslav.sixth.core.document;
3 import eu.svjatoslav.commons.string.tokenizer.InvalidSyntaxException;
4 import eu.svjatoslav.commons.string.tokenizer.Tokenizer;
5 import eu.svjatoslav.commons.string.tokenizer.TokenizerMatch;
6 import eu.svjatoslav.sixth.core.document.text.FormattedText;
8 import static eu.svjatoslav.commons.string.tokenizer.Terminator.TerminationStrategy.DROP;
9 import static eu.svjatoslav.commons.string.tokenizer.Terminator.TerminationStrategy.PRESERVE;
10 import static eu.svjatoslav.sixth.core.document.Helper.*;
11 import static eu.svjatoslav.sixth.core.document.text.FormattedText.fromOrg;
13 public class Document {
14 public final Heading rootHeading = new Heading( null , 0, null);
15 private Heading currentHeading = rootHeading;
17 public Heading createHeading(FormattedText name, int targetLevel){
18 if (currentHeading.level == (targetLevel - 1)){
19 Heading newHeading = new Heading(name, targetLevel, currentHeading);
20 currentHeading.addChild(newHeading);
21 currentHeading = newHeading;
25 if (currentHeading.level > (targetLevel - 1)){
26 currentHeading = currentHeading.parent;
27 return createHeading(name, targetLevel);
30 Heading missingIntermediate = new Heading(fromOrg("<noname>"), currentHeading.level + 1, currentHeading);
31 currentHeading.addChild(missingIntermediate);
32 currentHeading = missingIntermediate;
33 return createHeading(name, targetLevel);
36 public Heading getCurrentHeading(){
37 return currentHeading;
40 private void parseHeading(TokenizerMatch token) throws InvalidSyntaxException {
41 String[] headingSections = token.getRegExpGroups();
42 int level = headingSections[0].length();
43 String title = headingSections[1];
44 createHeading(fromOrg(title), level);
47 public void parse(String fileContentsAsString) throws InvalidSyntaxException {
48 final Tokenizer tokenizer = new Tokenizer(fileContentsAsString);
51 // "*** Example Heading 1234"
52 tokenizer.addTerminator(PRESERVE, "(\\*+)[ \\t](.*)\\r?\\n", TG_HEADING);
54 // Org list. Examples:
57 tokenizer.addTerminator(PRESERVE, "([ \\t]*)(\\+|-)[ \\t]?(.*)?\\r?\\n", TG_LIST);
60 tokenizer.addTerminator(PRESERVE, "([ \\t]+)(\\*)[ \\t]?(.*)?\\r?\\n", TG_LIST);
63 // "#+OPTIONS: H:20 num:20"
64 tokenizer.addTerminator(PRESERVE, "#\\+.+:.*\\r?\\n", TG_DOCUMENT_PROPERTY);
67 tokenizer.addTerminator(DROP,"\\r?\\n", TG_NEWLINE);
70 while (tokenizer.hasMoreContent()) {
71 final TokenizerMatch tm = tokenizer.getNextToken();
73 if (tm.isGroup(TG_HEADING)){
78 currentHeading.parse(tm);