litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.aokeyhole.objects.support; import org.litesoft.aokeyhole.objects.*; import org.litesoft.commonfoundation.typeutils.*; public class ToLinesObjectsParseStream { private static final Line NULL = new Line( -1, null ); private String[] mLines; private int mNextIndex = 0; private Line mCurrent, mNext; public ToLinesObjectsParseStream( String... pLines ) { mLines = (pLines != null) ? pLines : Strings.EMPTY_ARRAY; mCurrent = NULL; readNext(); } public boolean readLine() { mCurrent = mNext; readNext(); return mCurrent.isNotIgnorable(); } private boolean isAnotherLine() { return (mNextIndex < mLines.length); } private void readNext() { while ( isAnotherLine() ) { mNext = new Line( mNextIndex, mLines[mNextIndex] ); mNextIndex++; if ( mNext.isNotIgnorable() ) { return; } } mNext = NULL; } public ParseException error( String pError ) { return mCurrent.error( pError ); } public boolean isNextDeeper() { return (mNext.getDepth() > mCurrent.getDepth()); } public boolean isNextDepth( int pDepth ) { return (mNext.getDepth() == pDepth); } public void validateDepth( int pDepth ) { mCurrent.validateDepth( pDepth ); } public int getDepth() { return mCurrent.getDepth(); } public String getWhat() { return mCurrent.getWhat(); } public String getData() { return mCurrent.getData(); } public boolean isNextWhat( String pWhat ) { return mNext.isWhat( pWhat ); } public String[] parseData( char pSeperator ) { String data = mCurrent.getData(); int zParts = 1; for ( int i = 0; i < data.length(); i++ ) { if ( data.charAt( i ) == pSeperator ) { zParts++; } } String[] parts = new String[zParts]; int part = 0; int from = 0; for ( int at; -1 != (at = data.indexOf( pSeperator, from )); from = at + 1 ) { parts[part++] = data.substring( from, at ).trim(); } parts[part] = data.substring( from ).trim(); return parts; } public String[] parseData( int pExpectedParts, char pSeperator ) { if ( pExpectedParts < 1 ) { throw new IllegalArgumentException( "? ExpectedParts: " + pExpectedParts ); } String[] zParts = parseData( pSeperator ); if ( zParts.length == pExpectedParts ) { return zParts; } if ( zParts.length > pExpectedParts ) { throw error( "Expected (" + pExpectedParts + ") Data Parts (seperated by '" + pSeperator + "'), but was (" + zParts.length + ") Parts" ); } String[] rv = new String[pExpectedParts]; System.arraycopy( zParts, 0, rv, 0, zParts.length ); return rv; } // "vs:Simple|Name", // "Object:A1|", // ".ID:ID|Persisted|Simple", // "Object:B1|A1", // "..Active:true", // ".ID:ID|Persisted|Simple", // "...ObjectDisplayValueOrder:1", // "...ColumnName:ID", private static class Line { private int mIndex; private String mOrigLine; private boolean mIgnore = false; private boolean mBadFormat = true; private int mDepth = -1; private String mWhat = ""; private String mData = ""; public Line( int pIndex, String pOrigLine ) { mIndex = pIndex; mOrigLine = (pOrigLine == null) ? null : pOrigLine.trim(); if ( (mOrigLine == null) || (mOrigLine.length() == 0) || mOrigLine.startsWith( "#" ) || mOrigLine.startsWith( "//" ) ) { mBadFormat = false; mIgnore = true; return; } int colonAt = mOrigLine.indexOf( ':' ); if ( colonAt == -1 ) { return; } int depth = 0; while ( mOrigLine.charAt( depth ) == '.' ) { depth++; } mWhat = mOrigLine.substring( depth, colonAt ).trim(); if ( mWhat.length() == 0 ) { return; } mData = mOrigLine.substring( colonAt + 1 ).trim(); mDepth = depth; mBadFormat = false; } public int getIndex() { return mIndex; } public String getOrigLine() { return mOrigLine; } public boolean isNotIgnorable() { return !mIgnore; } public int getDepth() { return mDepth; } public String getWhat() { return mWhat; } public String getData() { return mData; } public boolean isWhat( String pWhat ) { return mWhat.equals( pWhat ); } public void validateWhat( String pWhat ) { if ( !isWhat( pWhat ) ) { throw badWhat( pWhat ); } } public int validateWhat( String[] pWhats ) { for ( int i = 0; i < pWhats.length; i++ ) { if ( isWhat( pWhats[i] ) ) { return i; } } StringBuilder sb = new StringBuilder(); for ( int i = pWhats.length; --i > 0; ) { sb.append( pWhats[i] ); sb.append( ", " ); } sb.append( "or " ); sb.append( pWhats[0] ); throw badWhat( sb.toString() ); } public void validateDepth( int pDepth ) { if ( mDepth != pDepth ) { throw error( "Expected (" + pDepth + ") Depth, but was (" + mDepth + ")" ); } } private ParseException badWhat( String pExpected ) { return error( "Expected (" + pExpected + "), but was (" + mWhat + ")" ); } public void rejectBadFormat() { if ( mBadFormat ) { throw error( "Unacceptable Format" ); } } public ParseException error( String pError ) { return new ParseException( pError + ", line (" + mIndex + ") was: " + mOrigLine ); } } } |
Commits for litesoft/trunk/Java/KeyHole/src/org/litesoft/aokeyhole/objects/support/ToLinesObjectsParseStream.java
Revision | Author | Commited | Message |
---|---|---|---|
950 Diff | GeorgeS | Thu 19 Jun, 2014 17:57:04 +0000 | New Lines |
948 Diff | GeorgeS | Sat 07 Jun, 2014 23:42:39 +0000 | Jusefuls Formatter Updated to New Code Format |
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
800 Diff | GeorgeS | Wed 15 Aug, 2012 03:33:38 +0000 | |
785 Diff | GeorgeS | Sun 22 Jul, 2012 03:27:33 +0000 | ! |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |