java web 框架 源代码

/* Generated By:JavaCC: Do not edit this line. FMParserTokenManager.java */ package freemarker.core; import freemarker.template.*; import freemarker.template.utility.StringUtil; import freemarker.template.utility.DeepUnwrap; import java.io.*; import java.util.*; class FMParserTokenManager implements FMParserConstants { /** The noparseTag is set when we enter a block of text that the parser more or less ignores. These are <noparse> and <comment>. This variable tells us what the closing tag should be, and when we hit that, we resume parsing. Note that with this scheme, <comment> and <noparse> tags cannot nest recursively, but it is not clear how important that is. */ String noparseTag; /** Keeps track of how deeply nested we have the hash literals. This is necessary since we need to be able to distinguish the } used to close a hash literal and the one used to close a ${ */ private int hashLiteralNesting; private int parenthesisNesting; private int bracketNesting; private boolean inFTLHeader; boolean strictEscapeSyntax, onlyTextOutput, altDirectiveSyntax, autodetectTagSyntax, directiveSyntaxEstablished, inInvocation; String templateName; // This method checks if we are in a strict mode where all // FreeMarker directives must start with <# private void strictSyntaxCheck(Token tok, int newLexState) { if (onlyTextOutput) { tok.kind = PRINTABLE_CHARS; return; } char firstChar = tok.image.charAt(0); if (autodetectTagSyntax && !directiveSyntaxEstablished) { altDirectiveSyntax = (firstChar == '['); } if ((firstChar == '[' && !altDirectiveSyntax) || (firstChar == '<' && altDirectiveSyntax)) { tok.kind = PRINTABLE_CHARS; return; } if (!strictEscapeSyntax) { SwitchTo(newLexState); return; } if (!altDirectiveSyntax) { if (!tok.image.startsWith("<#") && !tok.image.startsWith("</#")) { tok.kind = PRINTABLE_CHARS; return; } } directiveSyntaxEstablished = true; SwitchTo(newLexState); } private void unifiedCall(Token tok) { char firstChar = tok.image.charAt(0); if (autodetectTagSyntax && !directiveSyntaxEstablished) { altDirectiveSyntax = (firstChar == '['); } if (altDirectiveSyntax && firstChar == '<') { tok.kind = PRINTABLE_CHARS; return; } if (!altDirectiveSyntax && firstChar == '[') { tok.kind = PRINTABLE_CHARS; return; } directiveSyntaxEstablished = true; SwitchTo(NO_SPACE_EXPRESSION); } private void unifiedCallEnd(Token tok) { char firstChar = tok.image.charAt(0); if (altDirectiveSyntax && firstChar == '<') { tok.kind = PRINTABLE_CHARS; return; } if (!altDirectiveSyntax && firstChar == '[') { tok.kind = PRINTABLE_CHARS; return; } } private void closeBracket(Token tok) { if (bracketNesting >0) { --bracketNesting; } else { tok.kind=DIRECTIVE_END; if (inFTLHeader) { eatNewline(); inFTLHeader = false; } SwitchTo(DEFAULT); } } private void eatNewline() { int charsRead = 0; try { while (true) { char c = input_stream.readChar(); ++charsRead; if (!Character.isWhitespace(c)) { input_stream.backup(charsRead); return; } else if (c=='\r') { char next = input_stream.readChar(); ++charsRead; if (next != '\n') { input_stream.backup(1); } return; } else if (c=='\n') { return; } } } catch (IOException ioe) { input_stream.backup(charsRead); } } private void ftlHeader(Token matchedToken) { if (!directiveSyntaxEstablished) { altDirectiveSyntax = matchedToken.image.charAt(0) == '['; directiveSyntaxEstablished = true; autodetectTagSyntax = false; } String img = matchedToken.image; char firstChar = img.charAt(0); char lastChar = img.charAt(img.length() -1); if ((firstChar == '[' && !altDirectiveSyntax) || (firstChar == '<' && altDirectiveSyntax)) { matchedToken.kind = PRINTABLE_CHARS; } if (matchedToken.kind != PRINTABLE_CHARS) { if (lastChar != '>' && lastChar != ']') { SwitchTo(FM_EXPRESSION); inFTLHeader = true; } else { eatNewline(); } } } public java.io.PrintStream debugStream = System.out; public void setDebugStream(java.io.PrintStream ds) { debugStream = ds; } private final int jjMoveStringLiteralDfa0_7() { return jjMoveNfa_7(0, 0); } private final void jjCheckNAdd(int state) { if (jjrounds[state] != jjround) { jjstateSet[jjnewStateCnt++] = state; jjrounds[state] = jjround; } } private final void jjAddStates(int start, int end) { do { jjstateSet[jjnewStateCnt++] = jjnextStates[start]; } while (start++ != end); } private final void jjCheckNAddTwoStates(int state1, int state2) { jjCheckNAdd(state1); jjCheckNAdd(state2); } private final void jjCheckNAddStates(int start, int end) { do { jjCheckNAdd(jjnextStates[start]); } while (start++ != end); } private final void jjCheckNAddStates(int start) { jjCheckNAdd(jjnextStates[start]); jjCheckNAdd(jjnextStates[start + 1]); } static final long[] jjbitVec0 = { 0xfffffffffffffffeL, 0xffffffffffffffffL, 0xffffffffffffffffL, 0xffffffffffffffffL }; static final long[] jjbitVec2 = { 0x0L, 0x0L, 0xffffffffffffffffL, 0xffffffffffffffffL }; private final int jjMoveNfa_7(int startState, int curPos) { int[] nextStates; int startsAt = 0; jjnewStateCnt = 13; int i = 1; jjstateSet[0] = startState; int j, kind = 0x7fffffff; for (;;) { if (++jjround == 0x7fffffff) ReInitRounds(); if (curChar < 64) { long l = 1L << curChar; MatchLoop: do { switch(jjstateSet[--i]) { case 0: if ((0xefffdfffffffffffL & l) != 0L) { if (kind > 131) kind = 131; jjCheckNAdd(6); } else if ((0x1000200000000000L & l) != 0L) { if (kind > 132) kind = 132; } if (curChar == 45) jjAddStates(0, 1); else if (curChar == 60) jjstateSet[jjnewStateCnt++] = 1; break; case 1: if (curChar == 47) jjCheckNAddTwoStates(2, 3); break; case 2: if (curChar == 35) jjCheckNAdd(3); break; case 4: if ((0x100002600L & l) != 0L) jjAddStates(2, 3); break; case 5: if (curChar == 62 && kind > 130) kind = 130; break; case 6: if ((0xefffdfffffffffffL & l) == 0L) break; if (kind > 131) kind = 131; jjCheckNAdd(6); break; case 7: if ((0x1000200000000000L & l) != 0L && kind > 132) kind = 132; break;