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1 | /** @file\r | |
2 | ConfigReader class.\r | |
3 | \r | |
4 | ConfigReader is used to read tool chain config file with flat format. \r | |
5 | \r | |
6 | Copyright (c) 2006, Intel Corporation\r | |
7 | All rights reserved. This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | **/\r | |
15 | package org.tianocore.build.toolchain;\r | |
16 | \r | |
17 | import org.tianocore.build.exception.GenBuildException;\r | |
18 | \r | |
19 | import java.io.BufferedReader;\r | |
20 | import java.io.File;\r | |
21 | import java.io.FileReader;\r | |
22 | import java.util.ArrayList;\r | |
23 | import java.util.List;\r | |
24 | \r | |
25 | /**\r | |
26 | \r | |
27 | ConfigReader is used to read tool chain config file with flat format. Comments\r | |
28 | is line starting with character '#'.\r | |
29 | \r | |
30 | @since GenBuild 1.0\r | |
31 | **/\r | |
32 | public class ConfigReader {\r | |
33 | \r | |
34 | /**\r | |
35 | Parse specified tool chain definition file.\r | |
36 | \r | |
37 | @param filename The config file name with full path\r | |
38 | \r | |
39 | @return String[][] The definition array\r | |
40 | **/\r | |
41 | public static synchronized String[][] parse(String filename) throws GenBuildException {\r | |
42 | return parse(new File(filename));\r | |
43 | }\r | |
44 | \r | |
45 | /**\r | |
46 | Get all definitions in config file. the config file format is flat\r | |
47 | with "A=B". If line started with '#' looks as comments. \r | |
48 | \r | |
49 | @param configFile The config file\r | |
50 | \r | |
51 | @return String[][] The variables defined in the config file\r | |
52 | \r | |
53 | @throws GenBuildException\r | |
54 | Config file's format is not valid\r | |
55 | **/\r | |
56 | public static synchronized String[][] parse(File configFile) throws GenBuildException {\r | |
57 | List<String> keyList = new ArrayList<String>(256);\r | |
58 | List<String> valueList = new ArrayList<String>(256);\r | |
59 | int lines = 0;\r | |
60 | \r | |
61 | try {\r | |
62 | FileReader reader = new FileReader(configFile);\r | |
63 | BufferedReader in = new BufferedReader(reader);\r | |
64 | String str;\r | |
65 | \r | |
66 | while ((str = in.readLine()) != null) {\r | |
67 | ++lines;\r | |
68 | str = str.trim();\r | |
69 | //\r | |
70 | // skip empty line, comment (start with '#') \r | |
71 | //\r | |
72 | if (str.length() == 0 || str.startsWith("#")) {\r | |
73 | continue;\r | |
74 | }\r | |
75 | \r | |
76 | //\r | |
77 | // stop if the definition line is not in "name=value" form\r | |
78 | // \r | |
79 | int index;\r | |
80 | if ((index = str.indexOf('=')) <= 0) {\r | |
81 | throw new GenBuildException("ERROR Processing file [" \r | |
82 | + configFile.getAbsolutePath() \r | |
83 | + "] (line " + lines + ").\n");\r | |
84 | }\r | |
85 | \r | |
86 | //\r | |
87 | // look as line "A = B"\r | |
88 | //\r | |
89 | keyList.add(str.substring(0, index).trim());\r | |
90 | valueList.add(str.substring(index + 1).trim());\r | |
91 | }\r | |
92 | } catch (Exception ex) {\r | |
93 | GenBuildException e = new GenBuildException("ERROR Processing file [" \r | |
94 | + configFile.getAbsolutePath() \r | |
95 | + "] (line " + lines + ").\n" + ex.getMessage());\r | |
96 | e.setStackTrace(ex.getStackTrace());\r | |
97 | throw e;\r | |
98 | }\r | |
99 | \r | |
100 | String[][] definitions = new String[2][keyList.size()];\r | |
101 | definitions[0] = (String[])keyList.toArray(definitions[0]);\r | |
102 | definitions[1] = (String[])valueList.toArray(definitions[1]);\r | |
103 | \r | |
104 | return definitions;\r | |
105 | }\r | |
106 | }\r | |
107 | \r | |
108 | \r |