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author | Ashlee Young <ashlee@onosfw.com> | 2015-10-23 10:00:02 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-10-23 10:00:02 -0700 |
commit | 753a6c60f47f3ac4f270005b65e9d6481de8eb68 (patch) | |
tree | 3d0a1ae3b4d994550f6614b417b991eee3eb8911 /framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpMatcher.java | |
parent | c62d20eb3b4620c06d833be06f50b2600d96dd42 (diff) |
Adding maven and ant source trees
Change-Id: I0a39b9add833a31b9c3f98d193983ae2f3a5a445
Signed-off-by: Ashlee Young <ashlee@onosfw.com>
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpMatcher.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpMatcher.java | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpMatcher.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpMatcher.java new file mode 100644 index 00000000..8c241d4e --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpMatcher.java @@ -0,0 +1,170 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.apache.tools.ant.util.regexp; + +import java.util.Vector; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import java.util.regex.PatternSyntaxException; + +import org.apache.tools.ant.BuildException; + +/** + * Implementation of RegexpMatcher for the built-in regexp matcher of + * JDK 1.4. UNIX_LINES option is enabled as a default. + * + */ +public class Jdk14RegexpMatcher implements RegexpMatcher { + + private String pattern; + + /** Constructor for JakartaOroRegexp */ + public Jdk14RegexpMatcher() { + } + + /** + * Set the regexp pattern from the String description. + * @param pattern the pattern to match + */ + public void setPattern(String pattern) { + this.pattern = pattern; + } + + /** + * Get a String representation of the regexp pattern + * @return the pattern + * @throws BuildException on error + */ + public String getPattern() { + return pattern; + } + + /** + * Get a compiled representation of the regexp pattern + * @param options the options + * @return the compiled pattern + * @throws BuildException on error + */ + protected Pattern getCompiledPattern(int options) + throws BuildException { + int cOptions = getCompilerOptions(options); + try { + Pattern p = Pattern.compile(this.pattern, cOptions); + return p; + } catch (PatternSyntaxException e) { + throw new BuildException(e); + } + } + + /** + * Does the given argument match the pattern using default options? + * @param argument the string to match against + * @return true if the pattern matches + * @throws BuildException on error + */ + public boolean matches(String argument) throws BuildException { + return matches(argument, MATCH_DEFAULT); + } + + /** + * Does the given argument match the pattern? + * @param input the string to match against + * @param options the regex options to use + * @return true if the pattern matches + * @throws BuildException on error + */ + public boolean matches(String input, int options) + throws BuildException { + try { + Pattern p = getCompiledPattern(options); + return p.matcher(input).find(); + } catch (Exception e) { + throw new BuildException(e); + } + } + + /** + * Returns a Vector of matched groups found in the argument + * using default options. + * + * <p>Group 0 will be the full match, the rest are the + * parenthesized subexpressions</p>. + * + * @param argument the string to match against + * @return the vector of groups + * @throws BuildException on error + */ + public Vector getGroups(String argument) throws BuildException { + return getGroups(argument, MATCH_DEFAULT); + } + + /** + * Returns a Vector of matched groups found in the argument. + * + * <p>Group 0 will be the full match, the rest are the + * parenthesized subexpressions</p>. + * + * @param input the string to match against + * @param options the regex options to use + * @return the vector of groups + * @throws BuildException on error + */ + public Vector getGroups(String input, int options) + throws BuildException { + Pattern p = getCompiledPattern(options); + Matcher matcher = p.matcher(input); + if (!matcher.find()) { + return null; + } + Vector v = new Vector(); + int cnt = matcher.groupCount(); + for (int i = 0; i <= cnt; i++) { + String match = matcher.group(i); + // treat non-matching groups as empty matches + if (match == null) { + match = ""; + } + v.addElement(match); + } + return v; + } + + /** + * Convert the generic options to the regex compiler specific options. + * @param options the generic options + * @return the specific options + */ + protected int getCompilerOptions(int options) { + // be strict about line separator + int cOptions = Pattern.UNIX_LINES; + + if (RegexpUtil.hasFlag(options, MATCH_CASE_INSENSITIVE)) { + cOptions |= Pattern.CASE_INSENSITIVE; + } + if (RegexpUtil.hasFlag(options, MATCH_MULTILINE)) { + cOptions |= Pattern.MULTILINE; + } + if (RegexpUtil.hasFlag(options, MATCH_SINGLELINE)) { + cOptions |= Pattern.DOTALL; + } + + return cOptions; + } + +} |