-//\r
-// This software is now distributed according to\r
-// the Lesser Gnu Public License. Please see\r
-// http://www.gnu.org/copyleft/lesser.txt for\r
-// the details.\r
-// -- Happy Computing!\r
-//\r
-package com.stevesoft.pat;\r
-import java.io.*;\r
-import java.util.*;\r
-\r
-/** This class is a different form of Regex designed to work more\r
- like the file matching utility of a Unix shell. It is implemented\r
- by some simple string transformations:\r
- <center>\r
- <table border=1>\r
- <tr> <td> FileRegex </td> <td> Regex </td>\r
- <tr> <td> * </td><td> .* </td>\r
- <tr> <td> . </td><td> \. </td>\r
- <tr> <td> { </td><td> (?: </td>\r
- <tr> <td> {?! </td><td> (?! </td>\r
- <tr> <td> {?= </td><td> (?= </td>\r
- <tr> <td> {?? </td><td> (?? </td>\r
- <tr> <td> } </td><td> ) </td>\r
- <tr> <td> ? </td><td> . </td>\r
- <tr> <td> {,} </td><td> (|) </td>\r
- </table>\r
- </center>\r
- Note that a FileRegex pattern always ends with the Regex\r
- pattern element "$". If you like to experiment, try making\r
- FileRegex's and then printing them out. The toString() method\r
- does a decompile of the pattern to a standard Regex. Here are\r
- some more complete examples:\r
- <center>\r
- <table border=3>\r
- <tr> <td> FileRegex </td><td> Regex </td>\r
- <tr> <td>*.java </td><td> .*\.java$ </td>\r
- <tr> <td>*.{java,html} </td><td> .*\.(java|html)$ </td>\r
- <tr> <td> foo.[chC] </td><td> foo.[chC]$ </td>\r
- </table>\r
- </center>\r
- */\r
-public class FileRegex extends Regex {\r
- /** Build an unitialized FileRegex. */\r
- public FileRegex() { dirflag=EITHER; }\r
- /** Build a FileRegex form String s. */\r
- public FileRegex(String s) {\r
- super(s);\r
- dirflag = EITHER;\r
- }\r
- /** Compile a new pattern.\r
- Throws @exception com.stevesoft.pat.RegSyntax for\r
- nonsensical patterns like "[9-0]+" just as Regex does.\r
- @see com.stevesoft.pat#compile(java.lang.String)\r
- */\r
- public void compile(String s) throws RegSyntax {\r
- String npat = toFileRegex(s);\r
- super.compile(npat);\r
- if(File.separatorChar == '\\') // MS-DOS\r
- ignoreCase = true;\r
- }\r
- /** This is the method required by FileNameFilter.\r
- To get a listing of files in the current directory\r
- ending in .java, do this:\r
- <pre>\r
- File dot = new File(".");\r
- FileRegex java_files = new FileRegex("*.java");\r
- String[] file_list = dot.list(java_files);\r
- </pre>\r
- */\r
- public boolean accept(File dir,String s) {\r
- if(dirflag != EITHER) {\r
- File f = new File(s);\r
- if(f.isDirectory() && dirflag == NONDIR)\r
- return false;\r
- if(!f.isDirectory() && dirflag == DIR)\r
- return false;\r
- }\r
- return matchAt(s,0);\r
- }\r
- int dirflag = 0;\r
- final static int EITHER=0,DIR=1,NONDIR=2;\r
-\r
- /** Provides an alternative to File.list -- this\r
- separates its argument according to File.pathSeparator.\r
- To each path, it splits off a directory -- all characters\r
- up to and including the first instance of File.separator --\r
- and a file pattern -- the part that comes after the directory.\r
- It then produces a list of all the pattern matches on all\r
- the paths. Thus "*.java:../*.java" would produce a list of\r
- all the java files in this directory and in the ".." directory\r
- on a Unix machine. "*.java;..\\*.java" would do the same thing\r
- on a Dos machine. */\r
- public static String[] list(String f) {\r
- return list(f,EITHER);\r
- }\r
- static String[] list(String f,int df) {\r
- //return list_(f,new FileRegex());\r
- StringTokenizer st = new StringTokenizer(f,File.pathSeparator);\r
- Vector v = new Vector();\r
- while(st.hasMoreTokens()) {\r
- String path = st.nextToken();\r
- list1(path,v,df,true);\r
- }\r
- String[] sa = new String[v.size()];\r
- v.copyInto(sa);\r
- return sa;\r
- }\r
- final static Regex root=new Regex(File.separatorChar=='/' ?\r
- "/$" : "(?:.:|)\\\\$");\r
- static void list1(String path,Vector v,int df,boolean rec) {\r
- // if path looks like a/b/c/ or d:\ then add .\r
- if(root.matchAt(path,0)) {\r
- v.addElement(path+".");\r
- return;\r
- }\r
- File f = new File(path);\r
- if(f.getParent() != null && rec) {\r
- Vector v2 = new Vector();\r
- list1(f.getParent(),v2,DIR,true);\r
- for(int i=0;i<v2.size();i++) {\r
- String path2 = ((String)v2.elementAt(i))+\r
- File.separator+f.getName();\r
- list1(path2,v,df,false);\r
- }\r
- } else {\r
- File base = new File(path);\r
-\r
- String dir_s = base.getParent();\r
- if(dir_s==null) dir_s=".";\r
- File dir = new File(dir_s);\r
-\r
- FileRegex fr = new FileRegex(base.getName());\r
- if(fr.isLiteral()) {\r
- v.addElement(dir_s+File.separator+base.getName());\r
- return;\r
- }\r
- fr.dirflag = df;\r
- String[] sa = dir.list(fr);\r
- if(sa == null) return;\r
- for(int i=0;i<sa.length;i++) {\r
- v.addElement(dir_s+File.separator+sa[i]);\r
- }\r
- }\r
- }\r
-\r
- /** This method takes a file regular expression, and translates it\r
- into the type of pattern used by a normal Regex. */\r
- public static String toFileRegex(String s) {\r
- StrPos sp = new StrPos(s,0);\r
- StringBuffer sb = new StringBuffer();\r
- if(sp.incMatch("{?e=")) {\r
- char e = sp.thisChar();\r
- sp.inc();\r
- if(sp.incMatch("}")) {\r
- sb.append("(?e="+e+")^");\r
- } else {\r
- sb.append("^(?e=");\r
- }\r
- sp.esc = e;\r
- }\r
- int ParenLvl = 0;\r
- while(!sp.eos()) {\r
- if(File.separatorChar == '\\') {\r
- if(sp.escaped())\r
- sb.append("\\\\");\r
- sp.dontMatch = false;\r
- }\r
- if(sp.incMatch("?"))\r
- sb.append(".");\r
- else if(sp.incMatch(".")) {\r
- sb.append(sp.esc);\r
- sb.append('.');\r
- } else if(sp.incMatch("{??")) {\r
- sb.append("(??");\r
- ParenLvl++;\r
- // allow negative lookahead to work\r
- } else if(sp.incMatch("{?!")) {\r
- sb.append("(?!");\r
- ParenLvl++;\r
- // allow positive lookahead to work\r
- } else if(sp.incMatch("{?=")) {\r
- sb.append("(?=");\r
- ParenLvl++;\r
- } else if(sp.incMatch("{")) {\r
- sb.append("(?:");\r
- ParenLvl++;\r
- } else if(sp.incMatch("}")) {\r
- sb.append(')');\r
- ParenLvl--;\r
- } else if(ParenLvl != 0 && sp.incMatch(","))\r
- sb.append('|');\r
- else if(sp.incMatch("*"))\r
- sb.append(".*");\r
- else {\r
- sb.append(sp.thisChar());\r
- sp.inc();\r
- }\r
- }\r
- sb.append("$");\r
- return sb.toString();\r
- }\r
- public boolean isLiteral() {\r
- Pattern x = thePattern;\r
- while(x != null && !(x instanceof End)) {\r
- if(x instanceof oneChar)\r
- ;\r
- else if(x instanceof Skipped)\r
- ;\r
- else return false;\r
- x = x.next;\r
- }\r
- return true;\r
- }\r
-}\r
+//
+// This software is now distributed according to
+// the Lesser Gnu Public License. Please see
+// http://www.gnu.org/copyleft/lesser.txt for
+// the details.
+// -- Happy Computing!
+//
+package com.stevesoft.pat;
+
+import java.io.File;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+/**
+ * This class is a different form of Regex designed to work more like the file
+ * matching utility of a Unix shell. It is implemented by some simple string
+ * transformations: <center>
+ * <table border=1>
+ * <tr>
+ * <td>FileRegex</td>
+ * <td>Regex</td>
+ * <tr>
+ * <td>*</td>
+ * <td>.*</td>
+ * <tr>
+ * <td>.</td>
+ * <td>\.</td>
+ * <tr>
+ * <td>{</td>
+ * <td>(?:</td>
+ * <tr>
+ * <td>{?!</td>
+ * <td>(?!</td>
+ * <tr>
+ * <td>{?=</td>
+ * <td>(?=</td>
+ * <tr>
+ * <td>{??</td>
+ * <td>(??</td>
+ * <tr>
+ * <td></td>
+ * <td>)</td>
+ * <tr>
+ * <td>?</td>
+ * <td>.</td>
+ * <tr>
+ * <td>{,}</td>
+ * <td>(|)</td>
+ * </table>
+ * </center> Note that a FileRegex pattern always ends with the Regex pattern
+ * element "$". If you like to experiment, try making FileRegex's and then
+ * printing them out. The toString() method does a decompile of the pattern to a
+ * standard Regex. Here are some more complete examples: <center> <table *
+ * border=3>
+ * <tr>
+ * <td>FileRegex</td>
+ * <td>Regex</td>
+ * <tr>
+ * <td>*.java</td>
+ * <td>.*\.java$</td>
+ * <tr>
+ * <td>*.{java,html}</td>
+ * <td>.*\.(java|html)$</td>
+ * <tr>
+ * <td>foo.[chC]</td>
+ * <td>foo.[chC]$</td>
+ * </table>
+ * </center>
+ */
+public class FileRegex extends Regex
+{
+ /** Build an unitialized FileRegex. */
+ public FileRegex()
+ {
+ dirflag = EITHER;
+ }
+
+ /** Build a FileRegex form String s. */
+ public FileRegex(String s)
+ {
+ super(s);
+ dirflag = EITHER;
+ }
+
+ /**
+ * Compile a new pattern. Throws
+ *
+ * @exception com.stevesoft.pat.RegSyntax
+ * for nonsensical patterns like "[9-0]+" just as Regex does.
+ * @see com.stevesoft.pat#compile(java.lang.String)
+ */
+ public void compile(String s) throws RegSyntax
+ {
+ String npat = toFileRegex(s);
+ super.compile(npat);
+ if (File.separatorChar == '\\') // MS-DOS
+ {
+ ignoreCase = true;
+ }
+ }
+
+ /**
+ * This is the method required by FileNameFilter. To get a listing of files in
+ * the current directory ending in .java, do this:
+ *
+ * <pre>
+ * File dot = new File(".");
+ *
+ * FileRegex java_files = new FileRegex("*.java");
+ *
+ * String[] file_list = dot.list(java_files);
+ * </pre>
+ */
+ public boolean accept(File dir, String s)
+ {
+ if (dirflag != EITHER)
+ {
+ File f = new File(s);
+ if (f.isDirectory() && dirflag == NONDIR)
+ {
+ return false;
+ }
+ if (!f.isDirectory() && dirflag == DIR)
+ {
+ return false;
+ }
+ }
+ return matchAt(s, 0);
+ }
+
+ int dirflag = 0;
+
+ final static int EITHER = 0, DIR = 1, NONDIR = 2;
+
+ /**
+ * Provides an alternative to File.list -- this separates its argument
+ * according to File.pathSeparator. To each path, it splits off a directory --
+ * all characters up to and including the first instance of File.separator --
+ * and a file pattern -- the part that comes after the directory. It then
+ * produces a list of all the pattern matches on all the paths. Thus
+ * "*.java:../*.java" would produce a list of all the java files in this
+ * directory and in the ".." directory on a Unix machine. "*.java;..\\*.java"
+ * would do the same thing on a Dos machine.
+ */
+ public static String[] list(String f)
+ {
+ return list(f, EITHER);
+ }
+
+ static String[] list(String f, int df)
+ {
+ // return list_(f,new FileRegex());
+ StringTokenizer st = new StringTokenizer(f, File.pathSeparator);
+ Vector v = new Vector();
+ while (st.hasMoreTokens())
+ {
+ String path = st.nextToken();
+ list1(path, v, df, true);
+ }
+ String[] sa = new String[v.size()];
+ v.copyInto(sa);
+ return sa;
+ }
+
+ final static Regex root = new Regex(
+ File.separatorChar == '/' ? "/$" : "(?:.:|)\\\\$");
+
+ static void list1(String path, Vector v, int df, boolean rec)
+ {
+ // if path looks like a/b/c/ or d:\ then add .
+ if (root.matchAt(path, 0))
+ {
+ v.addElement(path + ".");
+ return;
+ }
+ File f = new File(path);
+ if (f.getParent() != null && rec)
+ {
+ Vector v2 = new Vector();
+ list1(f.getParent(), v2, DIR, true);
+ for (int i = 0; i < v2.size(); i++)
+ {
+ String path2 = ((String) v2.elementAt(i)) + File.separator
+ + f.getName();
+ list1(path2, v, df, false);
+ }
+ }
+ else
+ {
+ File base = new File(path);
+
+ String dir_s = base.getParent();
+ if (dir_s == null)
+ {
+ dir_s = ".";
+ }
+ File dir = new File(dir_s);
+
+ FileRegex fr = new FileRegex(base.getName());
+ if (fr.isLiteral())
+ {
+ v.addElement(dir_s + File.separator + base.getName());
+ return;
+ }
+ fr.dirflag = df;
+ String[] sa = dir.list(fr);
+ if (sa == null)
+ {
+ return;
+ }
+ for (int i = 0; i < sa.length; i++)
+ {
+ v.addElement(dir_s + File.separator + sa[i]);
+ }
+ }
+ }
+
+ /**
+ * This method takes a file regular expression, and translates it into the
+ * type of pattern used by a normal Regex.
+ */
+ public static String toFileRegex(String s)
+ {
+ StrPos sp = new StrPos(s, 0);
+ StringBuffer sb = new StringBuffer();
+ if (sp.incMatch("{?e="))
+ {
+ char e = sp.thisChar();
+ sp.inc();
+ if (sp.incMatch("}"))
+ {
+ sb.append("(?e=" + e + ")^");
+ }
+ else
+ {
+ sb.append("^(?e=");
+ }
+ sp.esc = e;
+ }
+ int ParenLvl = 0;
+ while (!sp.eos())
+ {
+ if (File.separatorChar == '\\')
+ {
+ if (sp.escaped())
+ {
+ sb.append("\\\\");
+ }
+ sp.dontMatch = false;
+ }
+ if (sp.incMatch("?"))
+ {
+ sb.append(".");
+ }
+ else if (sp.incMatch("."))
+ {
+ sb.append(sp.esc);
+ sb.append('.');
+ }
+ else if (sp.incMatch("{??"))
+ {
+ sb.append("(??");
+ ParenLvl++;
+ // allow negative lookahead to work
+ }
+ else if (sp.incMatch("{?!"))
+ {
+ sb.append("(?!");
+ ParenLvl++;
+ // allow positive lookahead to work
+ }
+ else if (sp.incMatch("{?="))
+ {
+ sb.append("(?=");
+ ParenLvl++;
+ }
+ else if (sp.incMatch("{"))
+ {
+ sb.append("(?:");
+ ParenLvl++;
+ }
+ else if (sp.incMatch("}"))
+ {
+ sb.append(')');
+ ParenLvl--;
+ }
+ else if (ParenLvl != 0 && sp.incMatch(","))
+ {
+ sb.append('|');
+ }
+ else if (sp.incMatch("*"))
+ {
+ sb.append(".*");
+ }
+ else
+ {
+ sb.append(sp.thisChar());
+ sp.inc();
+ }
+ }
+ sb.append("$");
+ return sb.toString();
+ }
+
+ public boolean isLiteral()
+ {
+ Pattern x = thePattern;
+ while (x != null && !(x instanceof End))
+ {
+ if (x instanceof oneChar)
+ {
+ ;
+ }
+ else if (x instanceof Skipped)
+ {
+ ;
+ }
+ else
+ {
+ return false;
+ }
+ x = x.next;
+ }
+ return true;
+ }
+}
git://source.jalview.org / jalview.git / blobdiff