com.fasterxml.jackson.dataformat.toml.Lexer Maven / Gradle / Ivy
// DO NOT EDIT
// Generated by JFlex 1.8.2 http://jflex.de/
// source: src/main/jflex/com/fasterxml/jackson/dataformat/toml/toml.jflex
package com.fasterxml.jackson.dataformat.toml;
// See https://github.com/jflex-de/jflex/issues/222
@SuppressWarnings("FallThrough")
class Lexer {
/** 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 = 4000;
// Lexical states.
public static final int YYINITIAL = 0;
public static final int EXPECT_EXPRESSION = 2;
public static final int EXPECT_INLINE_KEY = 4;
public static final int EXPECT_VALUE = 6;
public static final int EXPECT_EOL = 8;
public static final int EXPECT_ARRAY_SEP = 10;
public static final int EXPECT_TABLE_SEP = 12;
public static final int ML_BASIC_STRING = 14;
public static final int BASIC_STRING = 16;
public static final int ML_LITERAL_STRING = 18;
public static final int LITERAL_STRING = 20;
/**
* 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, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7,
8, 8, 9, 9, 10, 10
};
/**
* Top-level table for translating characters to character classes
*/
private static final int [] ZZ_CMAP_TOP = zzUnpackcmap_top();
private static final String ZZ_CMAP_TOP_PACKED_0 =
"\1\0\u10ff\u0100";
private static int [] zzUnpackcmap_top() {
int [] result = new int[4352];
int offset = 0;
offset = zzUnpackcmap_top(ZZ_CMAP_TOP_PACKED_0, offset, result);
return result;
}
private static int zzUnpackcmap_top(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;
}
/**
* Second-level tables for translating characters to character classes
*/
private static final int [] ZZ_CMAP_BLOCKS = zzUnpackcmap_blocks();
private static final String ZZ_CMAP_BLOCKS_PACKED_0 =
"\11\0\1\1\1\2\2\0\1\3\22\0\1\4\1\5"+
"\1\6\1\7\3\5\1\10\3\5\1\11\1\12\1\13"+
"\1\14\1\5\1\15\1\16\6\17\2\20\1\21\2\5"+
"\1\22\3\5\4\23\1\24\1\23\15\25\1\26\1\27"+
"\4\25\1\30\1\31\1\32\1\33\1\5\1\34\1\5"+
"\1\35\1\36\2\23\1\37\1\40\2\25\1\41\2\25"+
"\1\42\1\25\1\43\1\44\2\25\1\45\1\46\1\47"+
"\1\50\2\25\1\51\2\25\1\52\1\5\1\53\1\5"+
"\1\0\u0180\5";
private static int [] zzUnpackcmap_blocks() {
int [] result = new int[512];
int offset = 0;
offset = zzUnpackcmap_blocks(ZZ_CMAP_BLOCKS_PACKED_0, offset, result);
return result;
}
private static int zzUnpackcmap_blocks(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 DFA states to action switch labels.
*/
private static final int [] ZZ_ACTION = zzUnpackAction();
private static final String ZZ_ACTION_PACKED_0 =
"\13\0\1\1\1\2\1\3\1\4\2\5\1\2\1\6"+
"\1\5\1\7\1\10\1\11\1\12\1\1\1\3\1\13"+
"\1\14\1\15\1\1\2\2\1\3\1\6\1\4\1\7"+
"\1\3\2\16\1\17\1\20\4\3\1\21\1\5\1\22"+
"\1\2\1\23\1\5\1\2\1\4\1\24\1\1\1\23"+
"\1\24\1\25\1\26\1\2\1\27\1\30\1\31\1\30"+
"\1\25\1\32\1\12\1\33\1\0\1\34\5\0\2\16"+
"\3\0\1\35\4\0\1\16\16\0\1\36\1\0\1\27"+
"\1\0\1\37\1\40\1\41\1\42\1\43\1\44\2\0"+
"\1\45\1\46\1\35\1\47\1\35\2\0\1\47\4\16"+
"\1\0\1\47\1\0\1\31\2\0\1\31\1\35\1\0"+
"\1\16\1\0\1\50\1\51\2\0\1\52\2\0\1\53"+
"\1\54\2\0\1\55\3\0\1\56\4\0\1\57\4\0"+
"\1\60\1\57\1\61\10\0\1\62\2\0\1\63\1\0"+
"\1\62\3\0";
private static int [] zzUnpackAction() {
int [] result = new int[180];
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\54\0\130\0\204\0\260\0\334\0\u0108\0\u0134"+
"\0\u0160\0\u018c\0\u01b8\0\u01e4\0\u01e4\0\u01e4\0\u01e4\0\u0210"+
"\0\u01e4\0\u023c\0\u01e4\0\u0268\0\u01e4\0\u0294\0\u02c0\0\u02ec"+
"\0\u0318\0\u0318\0\u0344\0\u0370\0\u01e4\0\u039c\0\u039c\0\u03c8"+
"\0\u039c\0\u03f4\0\u0420\0\u044c\0\u0478\0\u04a4\0\u04d0\0\u04fc"+
"\0\u01e4\0\u0528\0\u0554\0\u0580\0\u05ac\0\u05d8\0\u0604\0\u01e4"+
"\0\u0630\0\u01e4\0\u065c\0\u0688\0\u06b4\0\u06e0\0\u070c\0\u070c"+
"\0\u0738\0\u0764\0\u01e4\0\u0790\0\u07bc\0\u07e8\0\u01e4\0\u0814"+
"\0\u0840\0\u086c\0\u0898\0\u08c4\0\u0318\0\u01e4\0\u039c\0\u03c8"+
"\0\u0420\0\u08f0\0\u091c\0\u0948\0\u0974\0\u0554\0\u0580\0\u09a0"+
"\0\u09cc\0\u09f8\0\u0a24\0\u0a50\0\u0a7c\0\u0aa8\0\u0ad4\0\u0b00"+
"\0\u0b2c\0\u0b58\0\u0b84\0\u0bb0\0\u0bdc\0\u0688\0\u06b4\0\u0c08"+
"\0\u0c34\0\u070c\0\u0c60\0\u0c8c\0\u0cb8\0\u0ce4\0\u01e4\0\u0d10"+
"\0\u01e4\0\u01e4\0\u01e4\0\u01e4\0\u01e4\0\u01e4\0\u0d3c\0\u0d68"+
"\0\u01e4\0\u01e4\0\u0d94\0\u0dc0\0\u0dec\0\u0e18\0\u0e44\0\u0e70"+
"\0\u0e9c\0\u0ec8\0\u0ef4\0\u0f20\0\u0f4c\0\u01e4\0\u0f78\0\u0fa4"+
"\0\u0fd0\0\u0ffc\0\u1028\0\u1054\0\u1080\0\u10ac\0\u10d8\0\u01e4"+
"\0\u1104\0\u1130\0\u115c\0\u1188\0\u11b4\0\u11e0\0\u01e4\0\u01e4"+
"\0\u120c\0\u1238\0\u01e4\0\u1264\0\u1290\0\u12bc\0\u01e4\0\u12e8"+
"\0\u1314\0\u1340\0\u136c\0\u1398\0\u13c4\0\u13f0\0\u141c\0\u1448"+
"\0\u1474\0\u141c\0\u01e4\0\u14a0\0\u14cc\0\u14f8\0\u1524\0\u1550"+
"\0\u157c\0\u15a8\0\u15d4\0\u1600\0\u162c\0\u1658\0\u01e4\0\u1684"+
"\0\u16b0\0\u16dc\0\u1708\0\u1734";
private static int [] zzUnpackRowMap() {
int [] result = new int[180];
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 =
"\2\14\2\15\3\16\1\17\44\16\1\14\1\20\1\21"+
"\1\22\1\20\1\16\1\23\1\24\1\25\2\16\1\26"+
"\1\16\4\26\1\16\1\27\6\26\1\30\2\16\16\26"+
"\2\16\1\14\1\31\2\15\1\32\1\16\1\23\1\17"+
"\1\25\2\16\1\26\1\33\4\26\1\16\1\27\6\26"+
"\2\16\1\34\16\26\1\16\1\35\1\14\1\36\1\37"+
"\1\40\1\41\1\16\1\42\1\43\1\44\1\45\1\16"+
"\1\45\1\16\1\46\3\47\10\16\1\50\1\16\1\51"+
"\4\16\1\52\1\53\1\16\1\54\3\16\1\55\2\16"+
"\1\56\1\16\1\14\1\57\1\60\1\61\1\57\2\62"+
"\1\24\44\62\1\14\2\63\1\64\1\63\2\62\1\65"+
"\2\62\1\66\20\62\1\51\20\62\1\14\1\67\2\15"+
"\1\70\2\62\1\17\2\62\1\71\40\62\1\35\1\14"+
"\1\72\1\73\1\74\2\72\1\75\23\72\1\76\21\72"+
"\1\14\1\72\2\15\2\72\1\77\23\72\1\100\21\72"+
"\1\14\1\101\1\73\1\74\4\101\1\102\43\101\1\14"+
"\1\101\2\15\4\101\1\77\43\101\55\0\1\20\2\0"+
"\1\20\15\0\1\27\33\0\1\21\52\0\1\24\2\0"+
"\50\24\13\0\1\26\1\0\4\26\2\0\6\26\3\0"+
"\16\26\3\0\1\27\2\0\1\27\50\0\1\103\2\0"+
"\1\103\24\0\1\104\23\0\1\105\2\0\1\105\7\0"+
"\1\33\5\0\1\27\10\0\1\34\17\0\1\35\1\0"+
"\1\33\2\0\1\33\102\0\1\106\21\0\2\107\1\110"+
"\1\107\2\0\1\111\23\0\1\51\22\0\1\107\57\0"+
"\1\112\46\0\1\111\1\107\1\110\50\111\10\0\1\113"+
"\60\0\1\114\3\115\20\0\1\116\1\0\1\117\24\0"+
"\1\120\4\121\3\0\1\122\11\0\1\123\1\122\4\0"+
"\1\124\4\0\1\125\16\0\1\120\4\126\3\0\1\122"+
"\7\0\1\127\2\0\1\122\15\0\2\50\1\130\1\50"+
"\2\0\1\131\101\0\1\132\61\0\1\133\45\0\1\134"+
"\63\0\1\135\7\0\1\56\2\0\1\56\50\0\1\57"+
"\2\0\1\57\51\0\1\60\52\0\2\63\1\136\1\63"+
"\2\0\1\137\46\0\1\63\52\0\1\137\1\63\1\136"+
"\50\137\1\0\2\66\1\140\1\66\2\0\1\141\45\0"+
"\1\142\2\0\1\142\5\0\1\71\40\0\1\35\1\0"+
"\1\71\2\0\1\71\50\0\1\72\2\0\2\72\1\0"+
"\23\72\1\0\21\72\2\0\1\73\57\0\1\143\46\0"+
"\1\144\1\145\1\146\1\144\1\0\1\147\20\0\1\150"+
"\2\0\1\151\3\0\1\152\1\0\1\153\2\0\1\154"+
"\1\0\1\155\1\0\1\156\1\157\11\0\1\147\20\0"+
"\1\150\2\0\1\151\3\0\1\152\1\0\1\153\2\0"+
"\1\154\1\0\1\155\1\0\1\156\1\157\4\0\1\101"+
"\2\0\4\101\1\0\43\101\10\0\1\160\44\0\1\103"+
"\2\0\1\103\50\0\1\104\2\0\1\104\55\0\1\161"+
"\55\0\1\162\57\0\1\120\4\163\3\0\1\122\12\0"+
"\1\122\30\0\1\120\4\115\3\0\1\122\7\0\1\127"+
"\2\0\1\122\31\0\4\164\50\0\4\165\1\166\43\0"+
"\1\167\1\0\1\167\1\0\4\170\50\0\2\171\52\0"+
"\3\172\51\0\4\173\2\0\2\173\10\0\4\173\27\0"+
"\1\120\4\174\1\166\2\0\1\122\7\0\1\127\2\0"+
"\1\122\31\0\4\115\35\0\1\50\52\0\1\131\1\50"+
"\1\130\50\131\42\0\1\175\51\0\1\176\56\0\1\176"+
"\60\0\1\177\5\0\1\66\52\0\1\141\1\66\1\140"+
"\50\141\6\0\1\200\46\0\1\144\1\145\1\146\1\144"+
"\50\0\2\145\1\146\1\145\51\0\1\145\66\0\4\201"+
"\2\0\2\201\10\0\4\201\30\0\4\202\2\0\2\202"+
"\10\0\4\202\23\0\1\203\60\0\4\163\50\0\4\164"+
"\3\0\1\122\7\0\1\120\2\0\1\122\31\0\4\204"+
"\50\0\4\205\50\0\4\170\50\0\4\170\13\0\1\167"+
"\34\0\2\171\15\0\1\123\34\0\3\172\14\0\1\124"+
"\34\0\4\173\2\0\2\173\7\0\1\125\4\173\27\0"+
"\1\120\4\206\3\0\1\122\7\0\1\127\2\0\1\122"+
"\62\0\1\207\44\0\1\210\22\0\1\211\62\0\4\212"+
"\2\0\2\212\10\0\4\212\30\0\4\213\2\0\2\213"+
"\10\0\4\213\23\0\1\214\56\0\1\215\1\0\4\163"+
"\50\0\4\216\46\0\1\215\1\120\4\115\3\0\1\122"+
"\7\0\1\127\2\0\1\122\53\0\1\217\22\0\1\220"+
"\62\0\4\221\2\0\2\221\10\0\4\221\30\0\4\222"+
"\2\0\2\222\10\0\4\222\23\0\1\223\60\0\4\224"+
"\54\0\1\225\47\0\4\226\2\0\2\226\10\0\4\226"+
"\30\0\4\227\2\0\2\227\10\0\4\227\30\0\4\230"+
"\50\0\4\231\50\0\4\232\2\0\2\232\10\0\4\232"+
"\26\0\1\233\55\0\4\234\50\0\4\235\2\0\2\235"+
"\10\0\4\235\30\0\4\236\47\0\1\237\54\0\4\240"+
"\2\0\2\240\10\0\4\240\30\0\4\241\50\0\4\242"+
"\50\0\4\243\2\0\2\243\10\0\4\243\17\0\1\244"+
"\21\0\1\244\20\0\1\244\21\0\4\245\50\0\4\246"+
"\54\0\1\247\47\0\4\250\50\0\4\251\54\0\1\252"+
"\47\0\4\253\50\0\4\254\44\0\1\255\1\0\1\255"+
"\1\256\13\0\1\257\40\0\4\260\50\0\4\261\50\0"+
"\4\262\44\0\1\255\1\0\1\255\1\0\4\261\7\0"+
"\1\257\44\0\1\263\47\0\4\264\50\0\4\257\33\0";
private static int [] zzUnpackTrans() {
int [] result = new int[5984];
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 code for "Unknown internal scanner error". */
private static final int ZZ_UNKNOWN_ERROR = 0;
/** Error code for "could not match input". */
private static final int ZZ_NO_MATCH = 1;
/** Error code for "pushback value was too large". */
private static final int ZZ_PUSHBACK_2BIG = 2;
/**
* Error messages for {@link #ZZ_UNKNOWN_ERROR}, {@link #ZZ_NO_MATCH}, and
* {@link #ZZ_PUSHBACK_2BIG} respectively.
*/
private static final String ZZ_ERROR_MSG[] = {
"Unknown internal scanner error",
"Error: could not match input",
"Error: pushback value was too large"
};
/**
* ZZ_ATTRIBUTE[aState] contains the attributes of state {@code aState}
*/
private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
private static final String ZZ_ATTRIBUTE_PACKED_0 =
"\13\0\4\11\1\1\1\11\1\1\1\11\1\1\1\11"+
"\7\1\1\11\13\1\1\11\6\1\1\11\1\1\1\11"+
"\10\1\1\11\3\1\1\11\5\1\1\0\1\11\5\0"+
"\2\1\3\0\1\1\4\0\1\1\16\0\1\1\1\0"+
"\1\11\1\0\6\11\2\0\2\11\3\1\2\0\5\1"+
"\1\0\1\11\1\0\1\1\2\0\2\1\1\0\1\1"+
"\1\0\1\11\1\1\2\0\1\1\2\0\2\11\2\0"+
"\1\11\3\0\1\11\4\0\1\1\4\0\2\1\1\11"+
"\10\0\1\1\2\0\1\11\1\0\1\1\3\0";
private static int [] zzUnpackAttribute() {
int [] result = new int[180];
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;
}
/** Input device. */
private java.io.Reader zzReader;
/** Current state of the DFA. */
private int zzState;
/** Current lexical state. */
private int zzLexicalState = YYINITIAL;
/**
* This buffer contains the current text to be matched and is the source of the {@link #yytext()}
* string.
*/
private char zzBuffer[]; // JACKSON: remove initializer, moved to .jflex file
/** Text position at the last accepting state. */
private int zzMarkedPos;
/** Current text position in the buffer. */
private int zzCurrentPos;
/** Marks the beginning of the {@link #yytext()} string in the buffer. */
private int zzStartRead;
/** Marks the last character in the buffer, that has been read from input. */
private int zzEndRead;
/**
* Whether the scanner is at the end of file.
* @see #yyatEOF
*/
private boolean zzAtEOF;
/**
* The number of occupied positions in {@link #zzBuffer} beyond {@link #zzEndRead}.
*
* When a lead/high surrogate has been read from the input stream into the final
* {@link #zzBuffer} position, this will have a value of 1; otherwise, it will have a value of 0.
*/
private int zzFinalHighSurrogate = 0;
/** Number of newlines encountered up to the start of the matched text. */
private int yyline;
/** Number of characters from the last newline up to the start of the matched text. */
private int yycolumn;
/** Number of characters up to the start of the matched text. */
private long yychar;
/** Whether the scanner is currently at the beginning of a line. */
@SuppressWarnings("unused")
private boolean zzAtBOL = true;
/** Whether the user-EOF-code has already been executed. */
@SuppressWarnings("unused")
private boolean zzEOFDone;
/* user code: */
private final com.fasterxml.jackson.core.io.IOContext ioContext;
private final TomlStreamReadException.ErrorContext errorContext;
boolean prohibitInternalBufferAllocate = false;
private boolean releaseTokenBuffer = true;
private boolean trimmedNewline;
final com.fasterxml.jackson.core.util.TextBuffer textBuffer;
private void requestLargerBuffer() throws TomlStreamReadException {
if (prohibitInternalBufferAllocate) {
throw errorContext.atPosition(this).generic("Token too long, but buffer resizing prohibited");
}
// todo: use recycler
char[] newBuffer = new char[zzBuffer.length * 2];
System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
if (releaseTokenBuffer) {
ioContext.releaseTokenBuffer(zzBuffer);
releaseTokenBuffer = false;
}
zzBuffer = newBuffer;
}
public void releaseBuffers() {
if (releaseTokenBuffer) {
ioContext.releaseTokenBuffer(zzBuffer);
zzBuffer = null;
}
textBuffer.releaseBuffers();
}
private void startString() {
// resetWithEmpty does not set _currentSegment, so we need this variant to be able to append further data
textBuffer.emptyAndGetCurrentSegment();
trimmedNewline = false;
}
private void appendNormalTextToken() {
// equivalent to append(yytext()), without the roundtrip through the String constructor
textBuffer.append(zzBuffer, zzStartRead, zzMarkedPos-zzStartRead);
}
private void appendNewlineWithPossibleTrim() {
if (!trimmedNewline && textBuffer.size() == 0) {
trimmedNewline = true;
} else {
// \n or \r\n todo: "TOML parsers should feel free to normalize newline to whatever makes sense for their platform."
appendNormalTextToken();
}
}
private void appendUnicodeEscapeShort() {
int value = (Character.digit(yycharat(2), 16) << 12) |
(Character.digit(yycharat(3), 16) << 8) |
(Character.digit(yycharat(4), 16) << 4) |
Character.digit(yycharat(5), 16);
textBuffer.append((char) value);
}
private void appendUnicodeEscapeLong() throws java.io.IOException {
int value = (Character.digit(yycharat(2), 16) << 28) |
(Character.digit(yycharat(3), 16) << 24) |
(Character.digit(yycharat(4), 16) << 20) |
(Character.digit(yycharat(5), 16) << 16) |
(Character.digit(yycharat(6), 16) << 12) |
(Character.digit(yycharat(7), 16) << 8) |
(Character.digit(yycharat(8), 16) << 4) |
Character.digit(yycharat(9), 16);
if (Character.isValidCodePoint(value)) {
// "Such code points can be represented using a single char."
if (value <= Character.MAX_VALUE) {
textBuffer.append((char) value);
} else {
textBuffer.append(Character.highSurrogate(value));
textBuffer.append(Character.lowSurrogate(value));
}
} else {
throw errorContext.atPosition(this).generic("Invalid code point " + Integer.toHexString(value));
}
}
int getLine() { return yyline; }
int getColumn() { return yycolumn; }
long getCharPos() { return yychar; }
char[] getTextBuffer() { return zzBuffer; };
int getTextBufferStart() { return zzStartRead; };
int getTextBufferEnd() { return zzMarkedPos; };
/**
* Creates a new scanner
*
* @param in the java.io.Reader to read input from.
*/
Lexer(java.io.Reader in, com.fasterxml.jackson.core.io.IOContext ioContext, TomlStreamReadException.ErrorContext errorContext) {
this.ioContext = ioContext;
this.errorContext = errorContext;
yybegin(EXPECT_EXPRESSION);
this.zzBuffer = ioContext.allocTokenBuffer();
this.textBuffer = ioContext.constructTextBuffer();
this.zzReader = in;
}
/**
* Translates raw input code points to DFA table row
*/
private static int zzCMap(int input) {
int offset = input & 255;
return offset == input ? ZZ_CMAP_BLOCKS[offset] : ZZ_CMAP_BLOCKS[ZZ_CMAP_TOP[input >> 8] | offset];
}
/**
* Refills the input buffer.
*
* @return {@code false} 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) {
zzEndRead += zzFinalHighSurrogate;
zzFinalHighSurrogate = 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 - zzFinalHighSurrogate) {
/* if not: blow it up */
// JACKSON: replace resize logic, more in .jflex
requestLargerBuffer();
// JACKSON: the low surrogate is read below
zzEndRead += zzFinalHighSurrogate;
zzFinalHighSurrogate = 0;
}
/* fill the buffer with new input */
int requested = zzBuffer.length - zzEndRead;
int numRead = zzReader.read(zzBuffer, zzEndRead, requested);
/* not supposed to occur according to specification of java.io.Reader */
if (numRead == 0) {
throw new java.io.IOException(
"Reader returned 0 characters. See JFlex examples/zero-reader for a workaround.");
}
if (numRead > 0) {
zzEndRead += numRead;
if (Character.isHighSurrogate(zzBuffer[zzEndRead - 1])) {
if (numRead == requested) { // We requested too few chars to encode a full Unicode character
--zzEndRead;
zzFinalHighSurrogate = 1;
} else { // There is room in the buffer for at least one more char
int c = zzReader.read(); // Expecting to read a paired low surrogate char
if (c == -1) {
return true;
} else {
zzBuffer[zzEndRead++] = (char)c;
}
}
}
/* potentially more input available */
return false;
}
/* numRead < 0 ==> end of stream */
return true;
}
/**
* Closes the input reader.
*
* @throws java.io.IOException if the reader could not be closed.
*/
public final void yyclose() throws java.io.IOException {
zzAtEOF = true; // indicate end of file
zzEndRead = zzStartRead; // invalidate buffer
if (zzReader != null) {
zzReader.close();
}
}
// JACKSON: remove yyreset without replacement
/**
* Resets the input position.
*/
private final void yyResetPosition() {
zzAtBOL = true;
zzAtEOF = false;
zzCurrentPos = 0;
zzMarkedPos = 0;
zzStartRead = 0;
zzEndRead = 0;
zzFinalHighSurrogate = 0;
yyline = 0;
yycolumn = 0;
yychar = 0L;
}
/**
* Returns whether the scanner has reached the end of the reader it reads from.
*
* @return whether the scanner has reached EOF.
*/
public final boolean yyatEOF() {
return zzAtEOF;
}
/**
* Returns the current lexical state.
*
* @return 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.
*
* @return the matched text.
*/
public final String yytext() {
return new String(zzBuffer, zzStartRead, zzMarkedPos-zzStartRead);
}
/**
* Returns the character at the given position from the matched text.
*
*
It is equivalent to {@code yytext().charAt(pos)}, but faster.
*
* @param position the position of the character to fetch. A value from 0 to {@code yylength()-1}.
*
* @return the character at {@code position}.
*/
public final char yycharat(int position) {
return zzBuffer[zzStartRead + position];
}
/**
* How many characters were matched.
*
* @return the length of the matched text region.
*/
public final int yylength() {
return zzMarkedPos-zzStartRead;
}
/**
* Reports an error that occurred while scanning.
*
*
In a well-formed scanner (no or only correct usage of {@code 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 error message to display.
*/
private static 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
* {@link #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 TomlToken yylex() throws java.io.IOException {
int zzInput;
int zzAction;
// cached fields:
int zzCurrentPosL;
int zzMarkedPosL;
int zzEndReadL = zzEndRead;
char[] zzBufferL = zzBuffer;
int [] zzTransL = ZZ_TRANS;
int [] zzRowMapL = ZZ_ROWMAP;
int [] zzAttrL = ZZ_ATTRIBUTE;
while (true) {
zzMarkedPosL = zzMarkedPos;
yychar+= zzMarkedPosL-zzStartRead;
boolean zzR = false;
int zzCh;
int zzCharCount;
for (zzCurrentPosL = zzStartRead ;
zzCurrentPosL < zzMarkedPosL ;
zzCurrentPosL += zzCharCount ) {
zzCh = Character.codePointAt(zzBufferL, zzCurrentPosL, zzMarkedPosL);
zzCharCount = Character.charCount(zzCh);
switch (zzCh) {
case '\u000B': // fall through
case '\u000C': // fall through
case '\u0085': // fall through
case '\u2028': // fall through
case '\u2029':
yyline++;
yycolumn = 0;
zzR = false;
break;
case '\r':
yyline++;
yycolumn = 0;
zzR = true;
break;
case '\n':
if (zzR)
zzR = false;
else {
yyline++;
yycolumn = 0;
}
break;
default:
zzR = false;
yycolumn += zzCharCount;
}
}
if (zzR) {
// peek one character ahead if it is
// (if we have counted one line too much)
boolean zzPeek;
if (zzMarkedPosL < zzEndReadL)
zzPeek = zzBufferL[zzMarkedPosL] == '\n';
else if (zzAtEOF)
zzPeek = false;
else {
boolean eof = zzRefill();
zzEndReadL = zzEndRead;
zzMarkedPosL = zzMarkedPos;
zzBufferL = zzBuffer;
if (eof)
zzPeek = false;
else
zzPeek = zzBufferL[zzMarkedPosL] == '\n';
}
if (zzPeek) yyline--;
}
zzAction = -1;
zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
zzState = ZZ_LEXSTATE[zzLexicalState];
// set up zzAction for empty match case:
int zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
}
zzForAction: {
while (true) {
if (zzCurrentPosL < zzEndReadL) {
zzInput = Character.codePointAt(zzBufferL, zzCurrentPosL, zzEndReadL);
zzCurrentPosL += Character.charCount(zzInput);
}
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 = Character.codePointAt(zzBufferL, zzCurrentPosL, zzEndReadL);
zzCurrentPosL += Character.charCount(zzInput);
}
}
int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMap(zzInput) ];
if (zzNext == -1) break zzForAction;
zzState = zzNext;
zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
zzMarkedPosL = zzCurrentPosL;
if ( (zzAttributes & 8) == 8 ) break zzForAction;
}
}
}
// store back cached position
zzMarkedPos = zzMarkedPosL;
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
return null;
}
else {
switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
case 1:
{ throw errorContext.atPosition(this).generic("Illegal control character");
}
// fall through
case 52: break;
case 2:
{ throw errorContext.atPosition(this).generic("Newline not permitted here");
}
// fall through
case 53: break;
case 3:
{ throw errorContext.atPosition(this).generic("Unknown token");
}
// fall through
case 54: break;
case 4:
{ throw errorContext.atPosition(this).generic("Comment not permitted here");
}
// fall through
case 55: break;
case 5:
{
}
// fall through
case 56: break;
case 6:
{ yybegin(BASIC_STRING);
startString();
}
// fall through
case 57: break;
case 7:
{ yybegin(LITERAL_STRING);
startString();
}
// fall through
case 58: break;
case 8:
{ return TomlToken.UNQUOTED_KEY;
}
// fall through
case 59: break;
case 9:
{ return TomlToken.KEY_VAL_SEP;
}
// fall through
case 60: break;
case 10:
{ return TomlToken.STD_TABLE_OPEN;
}
// fall through
case 61: break;
case 11:
{ return TomlToken.DOT_SEP;
}
// fall through
case 62: break;
case 12:
{ return TomlToken.STD_TABLE_CLOSE;
}
// fall through
case 63: break;
case 13:
{ return TomlToken.INLINE_TABLE_CLOSE;
}
// fall through
case 64: break;
case 14:
{ return TomlToken.INTEGER;
}
// fall through
case 65: break;
case 15:
{ return TomlToken.ARRAY_OPEN;
}
// fall through
case 66: break;
case 16:
{ return TomlToken.ARRAY_CLOSE;
}
// fall through
case 67: break;
case 17:
{ return TomlToken.INLINE_TABLE_OPEN;
}
// fall through
case 68: break;
case 18:
{ yybegin(EXPECT_EXPRESSION);
}
// fall through
case 69: break;
case 19:
{ throw errorContext.atPosition(this).generic("More data after value has already ended. Invalid value preceding this position?");
}
// fall through
case 70: break;
case 20:
{ return TomlToken.COMMA;
}
// fall through
case 71: break;
case 21:
{ appendNormalTextToken();
}
// fall through
case 72: break;
case 22:
{ appendNewlineWithPossibleTrim();
}
// fall through
case 73: break;
case 23:
{ textBuffer.append('"');
}
// fall through
case 74: break;
case 24:
{ throw errorContext.atPosition(this).generic("Unknown escape sequence");
}
// fall through
case 75: break;
case 25:
{ return TomlToken.STRING;
}
// fall through
case 76: break;
case 26:
{ textBuffer.append('\'');
}
// fall through
case 77: break;
case 27:
{ return TomlToken.ARRAY_TABLE_OPEN;
}
// fall through
case 78: break;
case 28:
{ return TomlToken.ARRAY_TABLE_CLOSE;
}
// fall through
case 79: break;
case 29:
{ throw errorContext.atPosition(this).generic("Zero-prefixed ints are not valid. If you want an octal literal, use the prefix '0o'");
}
// fall through
case 80: break;
case 30:
{ trimmedNewline = true;
}
// fall through
case 81: break;
case 31:
{ textBuffer.append('\\');
}
// fall through
case 82: break;
case 32:
{ textBuffer.append('\b');
}
// fall through
case 83: break;
case 33:
{ textBuffer.append('\f');
}
// fall through
case 84: break;
case 34:
{ textBuffer.append('\n');
}
// fall through
case 85: break;
case 35:
{ textBuffer.append('\r');
}
// fall through
case 86: break;
case 36:
{ textBuffer.append('\t');
}
// fall through
case 87: break;
case 37:
{ yybegin(ML_BASIC_STRING);
startString();
}
// fall through
case 88: break;
case 38:
{ yybegin(ML_LITERAL_STRING);
startString();
}
// fall through
case 89: break;
case 39:
{ return TomlToken.FLOAT;
}
// fall through
case 90: break;
case 40:
{ return TomlToken.TRUE;
}
// fall through
case 91: break;
case 41:
{ textBuffer.append('"');
return TomlToken.STRING;
}
// fall through
case 92: break;
case 42:
{ textBuffer.append('\'');
return TomlToken.STRING;
}
// fall through
case 93: break;
case 43:
{ return TomlToken.FALSE;
}
// fall through
case 94: break;
case 44:
{ textBuffer.append('"');
textBuffer.append('"');
return TomlToken.STRING;
}
// fall through
case 95: break;
case 45:
{ textBuffer.append('\'');
textBuffer.append('\'');
return TomlToken.STRING;
}
// fall through
case 96: break;
case 46:
{ appendUnicodeEscapeShort();
}
// fall through
case 97: break;
case 47:
{ return TomlToken.LOCAL_TIME;
}
// fall through
case 98: break;
case 48:
{ return TomlToken.LOCAL_DATE;
}
// fall through
case 99: break;
case 49:
{ appendUnicodeEscapeLong();
}
// fall through
case 100: break;
case 50:
{ return TomlToken.LOCAL_DATE_TIME;
}
// fall through
case 101: break;
case 51:
{ return TomlToken.OFFSET_DATE_TIME;
}
// fall through
case 102: break;
default:
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}