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comparison src/fschmidt/tools/Jtp.java @ 68:00520880ad02

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add fschmidt source
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 05 Oct 2025 17:24:15 -0600
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67:9d0fefce6985 68:00520880ad02
1 /*
2 Copyright (c) 2008 Franklin Schmidt <fschmidt@gmail.com>
3
4 Permission is hereby granted, free of charge, to any person obtaining a copy
5 of this software and associated documentation files (the "Software"), to deal
6 in the Software without restriction, including without limitation the rights
7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 copies of the Software, and to permit persons to whom the Software is
9 furnished to do so, subject to the following conditions:
10
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 THE SOFTWARE.
21 */
22
23 package fschmidt.tools;
24
25 import java.io.PrintWriter;
26 import java.io.File;
27 import java.io.FileWriter;
28 import java.io.CharArrayWriter;
29 import fschmidt.util.java.IoUtils;
30
31
32 public final class Jtp {
33 public static class JtpException extends Exception {
34 JtpException(String msg) {
35 super(msg);
36 }
37 }
38
39 public static void main(String args[]) throws Exception {
40 try {
41 for( int iFile=0; iFile<args.length; iFile++ ) {
42 String inFile = args[iFile];
43 if( !inFile.endsWith(".jtp") )
44 throw new RuntimeException(inFile+" doesn't end with '.jtp'");
45 String outFile = inFile.substring(0,inFile.length()-4) + ".java";
46 String jtp = IoUtils.read( new File(inFile) );
47 IoUtils.write( new File(outFile), toJava(jtp) );
48 }
49 } catch(JtpException e) {
50 System.err.println(e.getMessage());
51 System.exit(-1);
52 }
53 }
54
55 public static String toJava(String jtp)
56 throws JtpException
57 {
58 if( jtp==null )
59 throw new JtpException("null argument");
60 CharArrayWriter out0 = new CharArrayWriter();
61 PrintWriter out = new PrintWriter(out0);
62 int tabs = 0;
63 int i = 0;
64 while(true) {
65 int i1 = jtp.indexOf("<%",i);
66 boolean done = i1 == -1;
67 if( i1 > i || done && jtp.substring(i).trim().length() > 0 ) {
68 if( done )
69 i1 = jtp.length();
70 out.print("\t\tout.print( \"");
71 for( ; i<i1; i++ ) {
72 char c = jtp.charAt(i);
73 switch(c) {
74 case '\r':
75 out.print("\\r");
76 break;
77 case '\n':
78 out.print("\\n");
79 int j;
80 for( j=0; j<tabs && i+j+1<i1 && jtp.charAt(i+j+1)=='\t'; j++ );
81 i += j;
82 break;
83 case '\\':
84 case '"':
85 out.print('\\');
86 default:
87 out.print(c);
88 }
89 }
90 out.println("\" );");
91 }
92 if( done ) {
93 out.flush();
94 return out0.toString();
95 }
96 int i2 = jtp.indexOf("%>",i1);
97 if( i2 == -1 ) {
98 throw new JtpException("'<%' not matched with '%>'");
99 }
100 i += 2;
101 char c = jtp.charAt(i);
102 if( c == '=' ) {
103 out.print("\t\tout.print( (");
104 out.print( jtp.substring(i+1,i2) );
105 out.println(") );");
106 } else if( c == '+' ) {
107 out.print("\t\tout.print( (lang.");
108 String methodToCall = jtp.substring(i+1,i2);
109 out.print(methodToCall);
110 if (!methodToCall.endsWith(")"))
111 out.print("()");
112 out.println(") );");
113 } else {
114 out.println( jtp.substring(i,i2) );
115 int tabs2 = 0;
116 loop:
117 for( int j = i2 - 1; true; j-- ) {
118 switch( jtp.charAt(j) ) {
119 case '\t':
120 tabs2++;
121 break;
122 case '\n':
123 tabs = tabs2;
124 break loop;
125 default:
126 break loop;
127 }
128 }
129 }
130 i = i2 + 2;
131 }
132 }
133
134 }