/*******************************************************************************
* Copyright 2012-present Pixate, Inc.
*
* Licensed 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.
******************************************************************************/
/* The following code was generated by JFlex 1.4.3 on 7/3/13 4:23 PM */
package com.pixate.freestyle.cg.parsing;
import java.io.Reader;
import java.io.StringReader;
import com.pixate.freestyle.cg.math.PXDimension;
/**
* This class is a scanner generated by
* <a href="http://www.jflex.de/">JFlex</a> 1.4.3
* on 7/3/13 4:23 PM from the specification file
* <tt>Transforms.flex</tt>
*/
class PXTransformLexer {
/** This character denotes the end of file */
public static final int YYEOF = -1;
/** initial size of the lookahead buffer */
private static final int ZZ_BUFFERSIZE = 16384;
/** lexical states */
public static final int YYINITIAL = 0;
/**
* ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
* ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
* at the beginning of a line
* l is of the form l = 2*k, k a non negative integer
*/
private static final int ZZ_LEXSTATE[] = {
0, 0
};
/**
* Translates characters to character classes
*/
private static final String ZZ_CMAP_PACKED =
"\11\0\1\4\1\4\1\0\2\4\22\0\1\4\4\0\1\31\2\0"+
"\1\32\1\33\1\0\1\1\1\34\1\1\1\3\1\0\12\2\7\0"+
"\1\7\1\0\1\16\1\25\1\13\1\0\1\26\1\27\1\23\1\0"+
"\1\17\1\12\1\22\1\10\1\21\1\24\1\0\1\6\1\11\1\5"+
"\2\0\1\20\1\14\1\15\1\30\6\0\1\7\1\0\1\16\1\25"+
"\1\13\1\0\1\26\1\27\1\23\1\0\1\17\1\12\1\22\1\10"+
"\1\21\1\24\1\0\1\6\1\11\1\5\2\0\1\20\1\14\1\15"+
"\1\30\uff85\0";
/**
* Translates characters to character classes
*/
private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);
/**
* Translates DFA states to action switch labels.
*/
private static final int [] ZZ_ACTION = zzUnpackAction();
private static final String ZZ_ACTION_PACKED_0 =
"\1\0\2\1\1\2\1\1\1\3\4\1\1\4\1\5"+
"\1\6\2\0\1\7\11\0\1\10\1\2\6\0\1\11"+
"\1\12\1\13\1\0\1\14\1\15\1\16\1\17\1\20"+
"\1\21\3\0\1\22\5\0\1\23\1\24\1\25\1\26"+
"\4\0\1\27\1\0\1\30\2\0\1\31\1\32\1\33"+
"\2\0\1\34\1\35\1\36\1\37\2\0\1\40\1\41"+
"\1\42";
private static int [] zzUnpackAction() {
int [] result = new int[79];
int offset = 0;
offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAction(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/**
* Translates a state to a row index in the transition table
*/
private static final int [] ZZ_ROWMAP = zzUnpackRowMap();
private static final String ZZ_ROWMAP_PACKED_0 =
"\0\0\0\35\0\72\0\127\0\164\0\221\0\256\0\313"+
"\0\350\0\u0105\0\35\0\35\0\35\0\164\0\u0122\0\35"+
"\0\u013f\0\u015c\0\u0179\0\u0196\0\u01b3\0\u01d0\0\u01ed\0\u020a"+
"\0\u0227\0\35\0\u0244\0\u0261\0\u027e\0\u029b\0\u02b8\0\u02d5"+
"\0\u02f2\0\35\0\35\0\35\0\u030f\0\35\0\35\0\35"+
"\0\35\0\35\0\35\0\u032c\0\u0349\0\u0366\0\35\0\u0383"+
"\0\u03a0\0\u03bd\0\u03da\0\u03f7\0\35\0\35\0\35\0\35"+
"\0\u0414\0\u0431\0\u044e\0\u046b\0\u0488\0\u04a5\0\35\0\u04c2"+
"\0\u04df\0\u04fc\0\35\0\35\0\u0519\0\u0536\0\35\0\35"+
"\0\35\0\35\0\u0553\0\u0570\0\u058d\0\35\0\35";
private static int [] zzUnpackRowMap() {
int [] result = new int[79];
int offset = 0;
offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
return result;
}
private static int zzUnpackRowMap(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int high = packed.charAt(i++) << 16;
result[j++] = high | packed.charAt(i++);
}
return j;
}
/**
* The transition table of the DFA
*/
private static final int [] ZZ_TRANS = zzUnpackTrans();
private static final String ZZ_TRANS_PACKED_0 =
"\1\2\1\3\1\4\1\5\1\6\1\7\1\10\2\2"+
"\1\11\10\2\1\12\7\2\1\13\1\14\1\15\37\0"+
"\1\4\1\16\33\0\1\4\1\16\2\0\1\17\2\0"+
"\1\20\1\0\1\21\2\0\1\22\1\23\2\0\1\24"+
"\1\25\1\26\1\27\1\30\1\31\1\0\1\32\5\0"+
"\1\33\36\0\1\6\36\0\1\34\47\0\1\35\31\0"+
"\1\36\1\37\24\0\1\40\34\0\1\41\41\0\1\42"+
"\5\0\1\43\34\0\1\44\41\0\1\45\16\0\1\46"+
"\10\0\1\47\22\0\1\50\31\0\1\51\6\0\1\52"+
"\1\0\1\53\31\0\1\54\10\0\1\55\16\0\1\56"+
"\56\0\1\57\6\0\1\33\3\0\1\17\2\0\1\20"+
"\1\0\1\21\2\0\1\22\1\23\2\0\1\24\1\25"+
"\1\26\1\27\1\30\1\31\1\0\1\32\12\0\1\60"+
"\32\0\1\61\36\0\1\62\40\0\1\63\26\0\1\64"+
"\54\0\1\65\37\0\1\66\32\0\1\67\22\0\1\70"+
"\27\0\1\71\35\0\1\72\33\0\1\73\37\0\1\74"+
"\42\0\1\75\22\0\1\76\53\0\1\77\20\0\1\100"+
"\30\0\1\101\42\0\1\102\35\0\1\103\1\104\42\0"+
"\1\105\23\0\1\106\35\0\1\107\35\0\1\110\1\111"+
"\33\0\1\112\27\0\1\113\32\0\1\114\42\0\1\115"+
"\35\0\1\116\1\117\17\0";
private static int [] zzUnpackTrans() {
int [] result = new int[1450];
int offset = 0;
offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
return result;
}
private static int zzUnpackTrans(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
value--;
do result[j++] = value; while (--count > 0);
}
return j;
}
/* error codes */
private static final int ZZ_UNKNOWN_ERROR = 0;
private static final int ZZ_NO_MATCH = 1;
private static final int ZZ_PUSHBACK_2BIG = 2;
/* error messages for the codes above */
private static final String ZZ_ERROR_MSG[] = {
"Unkown internal scanner error",
"Error: could not match input",
"Error: pushback value was too large"
};
/**
* ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
*/
private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
private static final String ZZ_ATTRIBUTE_PACKED_0 =
"\1\0\1\11\10\1\3\11\2\0\1\11\11\0\1\11"+
"\1\1\6\0\3\11\1\0\6\11\3\0\1\11\5\0"+
"\4\11\4\0\1\1\1\0\1\11\2\0\1\1\2\11"+
"\2\0\4\11\2\0\1\1\2\11";
private static int [] zzUnpackAttribute() {
int [] result = new int[79];
int offset = 0;
offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAttribute(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/** the input device */
private java.io.Reader zzReader;
/** the current state of the DFA */
private int zzState;
/** the current lexical state */
private int zzLexicalState = YYINITIAL;
/** this buffer contains the current text to be matched and is
the source of the yytext() string */
private char zzBuffer[] = new char[ZZ_BUFFERSIZE];
/** the textposition at the last accepting state */
private int zzMarkedPos;
/** the current text position in the buffer */
private int zzCurrentPos;
/** startRead marks the beginning of the yytext() string in the buffer */
private int zzStartRead;
/** endRead marks the last character in the buffer, that has been read
from input */
private int zzEndRead;
/**
* number of newlines encountered up to the start of the matched text.
* (Unused, consider deletion.)
*/
@SuppressWarnings("unused")
private int yyline;
/** the number of characters up to the start of the matched text */
private int yychar;
/**
* the number of characters from the last newline up to the start of the
* matched text. (Unused, consider deletion.)
*/
@SuppressWarnings("unused")
private int yycolumn;
/**
* zzAtBOL == true <=> the scanner is currently at the beginning of a line.
* (Unused, consider deletion.)
*/
@SuppressWarnings("unused")
private boolean zzAtBOL = true;
/** zzAtEOF == true <=> the scanner is at the EOF */
private boolean zzAtEOF;
/** denotes if the user-EOF-code has already been executed
* (Unused, consider deletion.)
*/
@SuppressWarnings("unused")
private boolean zzEOFDone;
/* user code: */
public PXTransformLexer()
{
this((Reader) null);
}
private PXTransformLexeme createLexeme(PXTransformTokenType type)
{
return createLexeme(type, yytext());
}
private PXTransformLexeme createLexeme(PXTransformTokenType type, Object value)
{
return new PXTransformLexeme(type, yychar, yylength(), value);
}
private PXDimension createDimension(String source, String units)
{
String numberString = source.substring(0, source.length() - units.length());
return new PXDimension(Float.parseFloat(numberString), units);
}
public PXTransformLexeme nextLexeme()
{
PXTransformLexeme result = null;
try
{
result = yylex();
}
catch (Exception e)
{
e.printStackTrace();
}
return result;
}
public void setSource(String source)
{
yyreset(new StringReader(source));
}
/**
* Creates a new scanner
* There is also a java.io.InputStream version of this constructor.
*
* @param in the java.io.Reader to read input from.
*/
PXTransformLexer(java.io.Reader in) {
this.zzReader = in;
}
/**
* Creates a new scanner.
* There is also java.io.Reader version of this constructor.
*
* @param in the java.io.Inputstream to read input from.
*/
PXTransformLexer(java.io.InputStream in) {
this(new java.io.InputStreamReader(in));
}
/**
* Unpacks the compressed character translation table.
*
* @param packed the packed character translation table
* @return the unpacked character translation table
*/
private static char [] zzUnpackCMap(String packed) {
char [] map = new char[0x10000];
int i = 0; /* index in packed string */
int j = 0; /* index in unpacked array */
while (i < 144) {
int count = packed.charAt(i++);
char value = packed.charAt(i++);
do map[j++] = value; while (--count > 0);
}
return map;
}
/**
* Refills the input buffer.
*
* @return <code>false</code>, iff there was new input.
*
* @exception java.io.IOException if any I/O-Error occurs
*/
private boolean zzRefill() throws java.io.IOException {
/* first: make room (if you can) */
if (zzStartRead > 0) {
System.arraycopy(zzBuffer, zzStartRead,
zzBuffer, 0,
zzEndRead-zzStartRead);
/* translate stored positions */
zzEndRead-= zzStartRead;
zzCurrentPos-= zzStartRead;
zzMarkedPos-= zzStartRead;
zzStartRead = 0;
}
/* is the buffer big enough? */
if (zzCurrentPos >= zzBuffer.length) {
/* if not: blow it up */
char newBuffer[] = new char[zzCurrentPos*2];
System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
zzBuffer = newBuffer;
}
/* finally: fill the buffer with new input */
int numRead = zzReader.read(zzBuffer, zzEndRead,
zzBuffer.length-zzEndRead);
if (numRead > 0) {
zzEndRead+= numRead;
return false;
}
// unlikely but not impossible: read 0 characters, but not at end of stream
if (numRead == 0) {
int c = zzReader.read();
if (c == -1) {
return true;
} else {
zzBuffer[zzEndRead++] = (char) c;
return false;
}
}
// numRead < 0
return true;
}
/**
* Closes the input stream.
*/
public final void yyclose() throws java.io.IOException {
zzAtEOF = true; /* indicate end of file */
zzEndRead = zzStartRead; /* invalidate buffer */
if (zzReader != null)
zzReader.close();
}
/**
* Resets the scanner to read from a new input stream.
* Does not close the old reader.
*
* All internal variables are reset, the old input stream
* <b>cannot</b> be reused (internal buffer is discarded and lost).
* Lexical state is set to <tt>ZZ_INITIAL</tt>.
*
* @param reader the new input stream
*/
public final void yyreset(java.io.Reader reader) {
zzReader = reader;
zzAtBOL = true;
zzAtEOF = false;
zzEOFDone = false;
zzEndRead = zzStartRead = 0;
zzCurrentPos = zzMarkedPos = 0;
yyline = yychar = yycolumn = 0;
zzLexicalState = YYINITIAL;
}
/**
* Returns the current lexical state.
*/
public final int yystate() {
return zzLexicalState;
}
/**
* Enters a new lexical state
*
* @param newState the new lexical state
*/
public final void yybegin(int newState) {
zzLexicalState = newState;
}
/**
* Returns the text matched by the current regular expression.
*/
public final String yytext() {
return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead );
}
/**
* Returns the character at position <tt>pos</tt> from the
* matched text.
*
* It is equivalent to yytext().charAt(pos), but faster
*
* @param pos the position of the character to fetch.
* A value from 0 to yylength()-1.
*
* @return the character at position pos
*/
public final char yycharat(int pos) {
return zzBuffer[zzStartRead+pos];
}
/**
* Returns the length of the matched text region.
*/
public final int yylength() {
return zzMarkedPos-zzStartRead;
}
/**
* Reports an error that occured while scanning.
*
* In a wellformed scanner (no or only correct usage of
* yypushback(int) and a match-all fallback rule) this method
* will only be called with things that "Can't Possibly Happen".
* If this method is called, something is seriously wrong
* (e.g. a JFlex bug producing a faulty scanner etc.).
*
* Usual syntax/scanner level error handling should be done
* in error fallback rules.
*
* @param errorCode the code of the errormessage to display
*/
private void zzScanError(int errorCode) {
String message;
try {
message = ZZ_ERROR_MSG[errorCode];
}
catch (ArrayIndexOutOfBoundsException e) {
message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
}
throw new Error(message);
}
/**
* Pushes the specified amount of characters back into the input stream.
*
* They will be read again by then next call of the scanning method
*
* @param number the number of characters to be read again.
* This number must not be greater than yylength()!
*/
public void yypushback(int number) {
if ( number > yylength() )
zzScanError(ZZ_PUSHBACK_2BIG);
zzMarkedPos -= number;
}
/**
* Resumes scanning until the next regular expression is matched,
* the end of input is encountered or an I/O-Error occurs.
*
* @return the next token
* @exception java.io.IOException if any I/O-Error occurs
*/
public PXTransformLexeme yylex() throws java.io.IOException {
int zzInput;
int zzAction;
// cached fields:
int zzCurrentPosL;
int zzMarkedPosL;
int zzEndReadL = zzEndRead;
char [] zzBufferL = zzBuffer;
char [] zzCMapL = ZZ_CMAP;
int [] zzTransL = ZZ_TRANS;
int [] zzRowMapL = ZZ_ROWMAP;
int [] zzAttrL = ZZ_ATTRIBUTE;
while (true) {
zzMarkedPosL = zzMarkedPos;
yychar+= zzMarkedPosL-zzStartRead;
zzAction = -1;
zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
zzState = ZZ_LEXSTATE[zzLexicalState];
zzForAction: {
while (true) {
if (zzCurrentPosL < zzEndReadL)
zzInput = zzBufferL[zzCurrentPosL++];
else if (zzAtEOF) {
zzInput = YYEOF;
break zzForAction;
}
else {
// store back cached positions
zzCurrentPos = zzCurrentPosL;
zzMarkedPos = zzMarkedPosL;
boolean eof = zzRefill();
// get translated positions and possibly new buffer
zzCurrentPosL = zzCurrentPos;
zzMarkedPosL = zzMarkedPos;
zzBufferL = zzBuffer;
zzEndReadL = zzEndRead;
if (eof) {
zzInput = YYEOF;
break zzForAction;
}
else {
zzInput = zzBufferL[zzCurrentPosL++];
}
}
int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
if (zzNext == -1) break zzForAction;
zzState = zzNext;
int zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
zzMarkedPosL = zzCurrentPosL;
if ( (zzAttributes & 8) == 8 ) break zzForAction;
}
}
}
// store back cached position
zzMarkedPos = zzMarkedPosL;
switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
case 34:
{ return createLexeme(PXTransformTokenType.TRANSLATEY);
}
case 35: break;
case 6:
{ return createLexeme(PXTransformTokenType.COMMA);
}
case 36: break;
case 10:
{ return createLexeme(PXTransformTokenType.EMS, createDimension(yytext(), "em"));
}
case 37: break;
case 24:
{ return createLexeme(PXTransformTokenType.ANGLE, createDimension(yytext(), "grad"));
}
case 38: break;
case 30:
{ return createLexeme(PXTransformTokenType.SCALEY);
}
case 39: break;
case 28:
{ return createLexeme(PXTransformTokenType.ROTATE);
}
case 40: break;
case 19:
{ return createLexeme(PXTransformTokenType.ANGLE, createDimension(yytext(), "rad"));
}
case 41: break;
case 32:
{ return createLexeme(PXTransformTokenType.TRANSLATE);
}
case 42: break;
case 15:
{ return createLexeme(PXTransformTokenType.LENGTH, createDimension(yytext(), "pt"));
}
case 43: break;
case 26:
{ return createLexeme(PXTransformTokenType.SKEWX);
}
case 44: break;
case 2:
{ return createLexeme(PXTransformTokenType.NUMBER, Float.parseFloat(yytext()));
}
case 45: break;
case 33:
{ return createLexeme(PXTransformTokenType.TRANSLATEX);
}
case 46: break;
case 12:
{ return createLexeme(PXTransformTokenType.TIME, createDimension(yytext(), "ms"));
}
case 47: break;
case 31:
{ return createLexeme(PXTransformTokenType.MATRIX);
}
case 48: break;
case 4:
{ return createLexeme(PXTransformTokenType.LPAREN);
}
case 49: break;
case 22:
{ return createLexeme(PXTransformTokenType.LENGTH, createDimension(yytext(), "dpx"));
}
case 50: break;
case 13:
{ return createLexeme(PXTransformTokenType.LENGTH, createDimension(yytext(), "mm"));
}
case 51: break;
case 20:
{ return createLexeme(PXTransformTokenType.FREQUENCY, createDimension(yytext(), "kHz"));
}
case 52: break;
case 1:
{ return createLexeme(PXTransformTokenType.ERROR);
}
case 53: break;
case 29:
{ return createLexeme(PXTransformTokenType.SCALEX);
}
case 54: break;
case 25:
{ return createLexeme(PXTransformTokenType.SCALE);
}
case 55: break;
case 9:
{ return createLexeme(PXTransformTokenType.EXS, createDimension(yytext(), "ex"));
}
case 56: break;
case 8:
{ return createLexeme(PXTransformTokenType.PERCENTAGE, createDimension(yytext(), "%"));
}
case 57: break;
case 14:
{ return createLexeme(PXTransformTokenType.LENGTH, createDimension(yytext(), "in"));
}
case 58: break;
case 16:
{ return createLexeme(PXTransformTokenType.LENGTH, createDimension(yytext(), "px"));
}
case 59: break;
case 17:
{ return createLexeme(PXTransformTokenType.LENGTH, createDimension(yytext(), "pc"));
}
case 60: break;
case 27:
{ return createLexeme(PXTransformTokenType.SKEWY);
}
case 61: break;
case 11:
{ return createLexeme(PXTransformTokenType.LENGTH, createDimension(yytext(), "cm"));
}
case 62: break;
case 18:
{ return createLexeme(PXTransformTokenType.FREQUENCY, createDimension(yytext(), "Hz"));
}
case 63: break;
case 23:
{ return createLexeme(PXTransformTokenType.SKEW);
}
case 64: break;
case 7:
{ return createLexeme(PXTransformTokenType.TIME, createDimension(yytext(), "s"));
}
case 65: break;
case 21:
{ return createLexeme(PXTransformTokenType.ANGLE, createDimension(yytext(), "deg"));
}
case 66: break;
case 3:
{ /* ignore */
}
case 67: break;
case 5:
{ return createLexeme(PXTransformTokenType.RPAREN);
}
case 68: break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
{ return new PXTransformLexeme(PXTransformTokenType.EOF, yychar, 0, "end-of-file");
}
}
else {
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}