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      1 /*
      2  * Copyright (C) 2007-2010 Jlio Vilmar Gesser.
      3  * Copyright (C) 2011, 2013-2016 The JavaParser Team.
      4  *
      5  * This file is part of JavaParser.
      6  *
      7  * JavaParser can be used either under the terms of
      8  * a) the GNU Lesser General Public License as published by
      9  *     the Free Software Foundation, either version 3 of the License, or
     10  *     (at your option) any later version.
     11  * b) the terms of the Apache License
     12  *
     13  * You should have received a copy of both licenses in LICENCE.LGPL and
     14  * LICENCE.APACHE. Please refer to those files for details.
     15  *
     16  * JavaParser is distributed in the hope that it will be useful,
     17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     19  * GNU Lesser General Public License for more details.
     20  */
     21 
     22 package com.github.javaparser.printer.concretesyntaxmodel;
     23 
     24 import com.github.javaparser.GeneratedJavaParserConstants;
     25 import com.github.javaparser.ast.Node;
     26 import com.github.javaparser.ast.observer.ObservableProperty;
     27 import com.github.javaparser.printer.SourcePrinter;
     28 
     29 import java.util.Arrays;
     30 import java.util.List;
     31 
     32 import static com.github.javaparser.TokenTypes.*;
     33 import static com.github.javaparser.utils.Utils.EOL;
     34 
     35 public interface CsmElement {
     36 
     37     void prettyPrint(Node node, SourcePrinter printer);
     38 
     39     static CsmElement child(ObservableProperty property) {
     40         return new CsmSingleReference(property);
     41     }
     42 
     43     static CsmElement attribute(ObservableProperty property) {
     44         return new CsmAttribute(property);
     45     }
     46 
     47     static CsmElement sequence(CsmElement... elements) {
     48         return new CsmSequence(Arrays.asList(elements));
     49     }
     50 
     51     static CsmElement string(int tokenType, String content) {
     52         return new CsmToken(tokenType, content);
     53     }
     54 
     55     static CsmElement string(int tokenType) {
     56         return new CsmToken(tokenType);
     57     }
     58 
     59     static CsmElement stringToken(ObservableProperty property) {
     60         return new CsmString(property);
     61     }
     62 
     63     static CsmElement charToken(ObservableProperty property) {
     64         return new CsmChar(property);
     65     }
     66 
     67     static CsmElement token(int tokenType) {
     68         return new CsmToken(tokenType);
     69     }
     70 
     71     static CsmElement token(int tokenType, CsmToken.TokenContentCalculator tokenContentCalculator) {
     72         return new CsmToken(tokenType, tokenContentCalculator);
     73     }
     74 
     75     static CsmElement conditional(ObservableProperty property, CsmConditional.Condition condition, CsmElement thenElement) {
     76         return new CsmConditional(property, condition, thenElement);
     77     }
     78 
     79     static CsmElement conditional(ObservableProperty property, CsmConditional.Condition condition, CsmElement thenElement, CsmElement elseElement) {
     80         return new CsmConditional(property, condition, thenElement, elseElement);
     81     }
     82 
     83     static CsmElement conditional(List<ObservableProperty> properties, CsmConditional.Condition condition, CsmElement thenElement, CsmElement elseElement) {
     84         return new CsmConditional(properties, condition, thenElement, elseElement);
     85     }
     86 
     87     static CsmElement space() {
     88         return new CsmToken(spaceTokenKind(), " ");
     89     }
     90 
     91     static CsmElement semicolon() {
     92         return new CsmToken(GeneratedJavaParserConstants.SEMICOLON);
     93     }
     94 
     95     static CsmElement comment() { return new CsmComment(); }
     96 
     97     static CsmElement newline() {
     98         return new CsmToken(eolTokenKind(), EOL);
     99     }
    100 
    101     static CsmElement none() {
    102         return new CsmNone();
    103     }
    104 
    105     static CsmElement comma() {
    106         return new CsmToken(GeneratedJavaParserConstants.COMMA);
    107     }
    108 
    109     static CsmElement list(ObservableProperty property) {
    110         return new CsmList(property);
    111     }
    112 
    113     static CsmElement list(ObservableProperty property, CsmElement separator) {
    114         return new CsmList(property, CsmElement.none(), separator, new CsmNone(), new CsmNone());
    115     }
    116 
    117     static CsmElement list(ObservableProperty property, CsmElement separator, CsmElement preceeding, CsmElement following) {
    118         return new CsmList(property, none(), separator, preceeding, following);
    119     }
    120 
    121     static CsmElement list(ObservableProperty property, CsmElement separatorPre, CsmElement separatorPost, CsmElement preceeding, CsmElement following) {
    122         return new CsmList(property, separatorPre, separatorPost, preceeding, following);
    123     }
    124 
    125     static CsmElement orphanCommentsEnding() {
    126         return new CsmOrphanCommentsEnding();
    127     }
    128 
    129     static CsmElement orphanCommentsBeforeThis() {
    130         // FIXME
    131         return new CsmNone();
    132     }
    133 
    134     static CsmElement indent() {
    135         return new CsmIndent();
    136     }
    137 
    138     static CsmElement unindent() {
    139         return new CsmUnindent();
    140     }
    141 
    142     static CsmElement block(CsmElement content) {
    143         return sequence(token(GeneratedJavaParserConstants.LBRACE), indent(), content, unindent(), token(GeneratedJavaParserConstants.RBRACE));
    144     }
    145 }
    146