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com.github.odiszapc.nginxparser.javacc.NginxConfigParser Maven / Gradle / Ivy
/* NginxConfigParser.java */
/* Generated By:JavaCC: Do not edit this line. NginxConfigParser.java */
package com.github.odiszapc.nginxparser.javacc;
import com.github.odiszapc.nginxparser.*;
@SuppressWarnings("ConstantConditions")
public class NginxConfigParser implements NginxConfigParserConstants
{
private boolean isDebug = false;
public void setDebug(boolean val)
{
isDebug = val;
}
private void debug(String message)
{
debug(message, false);
}
private void debugLn(String message)
{
debug(message, true);
}
private void debug(String message, boolean appendLineEnding)
{
if (isDebug)
{
System.out.print(message);
if (appendLineEnding) System.out.println();
}
}
/*
Main method
*/
final public NgxConfig parse() throws ParseException
{
NgxConfig config;
config = statements();
{
if ("" != null) return config;
}
throw new Error("Missing return statement in function");
}
final public NgxConfig statements() throws ParseException
{
NgxConfig config = new NgxConfig();
NgxEntry curEntry;
label_1:
while (true)
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
case SINGLE_LINE_COMMENT:
{
;
break;
}
default:
jj_la1[0] = jj_gen;
break label_1;
}
if (jj_2_1(4))
{
curEntry = param();
} else
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
{
curEntry = block();
break;
}
case SINGLE_LINE_COMMENT:
{
curEntry = comment();
break;
}
default:
jj_la1[1] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
config.addEntry(curEntry);
}
{
if ("" != null) return config;
}
throw new Error("Missing return statement in function");
}
/*
Block
Example:
http {
...
}
*/
final public NgxBlock block() throws ParseException
{
String blockName = "";
NgxBlock block = new NgxBlock();
NgxToken curToken;
NgxEntry curEntry;
curToken = id();
blockName += token.image + " ";
block.getTokens().add(curToken);
label_2:
while (true)
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
{
;
break;
}
default:
jj_la1[2] = jj_gen;
break label_2;
}
curToken = id();
blockName += token.image + " ";
block.getTokens().add(curToken);
}
debugLn("BLOCK=" + blockName + "{");
jj_consume_token(LBRACE);
label_3:
while (true)
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case IF:
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
case SINGLE_LINE_COMMENT:
{
;
break;
}
default:
jj_la1[3] = jj_gen;
break label_3;
}
if (jj_2_2(4))
{
curEntry = param();
} else
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
{
curEntry = block();
break;
}
case SINGLE_LINE_COMMENT:
{
curEntry = comment();
break;
}
case IF:
{
curEntry = if_block();
break;
}
default:
jj_la1[4] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
block.addEntry(curEntry);
}
jj_consume_token(RBRACE);
debugLn("}");
{
if ("" != null) return block;
}
throw new Error("Missing return statement in function");
}
/*
"if" statement
Example:
if ($arg_val !~ '^\d+$') {
return 400;
break;
}
*/
final public NgxBlock if_block() throws ParseException
{
NgxIfBlock block = new NgxIfBlock();
NgxEntry curEntry = null;
jj_consume_token(IF);
debug(token.image + " ");
block.addValue(new NgxToken(token.image));
jj_consume_token(IF_BODY);
debug(token.image + " ");
block.addValue(new NgxToken(token.image));
jj_consume_token(LBRACE);
debugLn(token.image);
label_4:
while (true)
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
case SINGLE_LINE_COMMENT:
{
;
break;
}
default:
jj_la1[5] = jj_gen;
break label_4;
}
if (jj_2_3(4))
{
curEntry = param();
} else
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
{
curEntry = block();
break;
}
case SINGLE_LINE_COMMENT:
{
curEntry = comment();
break;
}
default:
jj_la1[6] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
block.addEntry(curEntry);
}
jj_consume_token(RBRACE);
debugLn(token.image);
{
if ("" != null) return block;
}
throw new Error("Missing return statement in function");
}
/*
Single line parameter
Examples:
listen 80;
server_name localhost;
root /var/www;
index index.html index.htm;
array_map '[$array_it]' $list;
echo_exec /safe-memc?cmd=incr&key=$arg_key&val=$arg_val;
*/
final public NgxParam param() throws ParseException
{
NgxParam param = new NgxParam();
NgxToken curToken = null;
curToken = id();
debug("KEY=" + token.image + ", VALUE=");
param.getTokens().add(curToken);
label_5:
while (true)
{
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case NUMBER:
case STRING:
case QUOTED_STRING:
case SINGLE_QUOTED_STRING:
{
;
break;
}
default:
jj_la1[7] = jj_gen;
break label_5;
}
curToken = value();
debug(token.image + " | ");
param.getTokens().add(curToken);
}
debugLn("");
jj_consume_token(SEMICOLON);
{
if ("" != null) return param;
}
throw new Error("Missing return statement in function");
}
/*
Comment
Example:
# Comment here
*/
final public NgxComment comment() throws ParseException
{
NgxComment comment;
jj_consume_token(SINGLE_LINE_COMMENT);
debugLn("COMMENT=" + token.image);
{
if ("" != null) return new NgxComment(token.image);
}
throw new Error("Missing return statement in function");
}
/*
Parameter/block names and/or values
Example:
# id occurs 6 times
gzip_types text/plain application/xml application/x-javascript text/css application/json;
*/
final public NgxToken id() throws ParseException
{
NgxToken val = null;
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case STRING:
{
jj_consume_token(STRING);
break;
}
case QUOTED_STRING:
{
jj_consume_token(QUOTED_STRING);
break;
}
case SINGLE_QUOTED_STRING:
{
jj_consume_token(SINGLE_QUOTED_STRING);
break;
}
default:
jj_la1[8] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{
if ("" != null) return new NgxToken(token.image);
}
;
throw new Error("Missing return statement in function");
}
/*
Parameter values
*/
final public NgxToken value() throws ParseException
{
NgxToken val = null;
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk)
{
case NUMBER:
{
jj_consume_token(NUMBER);
break;
}
case STRING:
{
jj_consume_token(STRING);
break;
}
case QUOTED_STRING:
{
jj_consume_token(QUOTED_STRING);
break;
}
case SINGLE_QUOTED_STRING:
{
jj_consume_token(SINGLE_QUOTED_STRING);
break;
}
default:
jj_la1[9] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{
if ("" != null) return new NgxToken(token.image);
}
;
throw new Error("Missing return statement in function");
}
private boolean jj_2_1(int xla)
{
jj_la = xla;
jj_lastpos = jj_scanpos = token;
try
{
return !jj_3_1();
} catch (LookaheadSuccess ls)
{
return true;
} finally
{
jj_save(0, xla);
}
}
private boolean jj_2_2(int xla)
{
jj_la = xla;
jj_lastpos = jj_scanpos = token;
try
{
return !jj_3_2();
} catch (LookaheadSuccess ls)
{
return true;
} finally
{
jj_save(1, xla);
}
}
private boolean jj_2_3(int xla)
{
jj_la = xla;
jj_lastpos = jj_scanpos = token;
try
{
return !jj_3_3();
} catch (LookaheadSuccess ls)
{
return true;
} finally
{
jj_save(2, xla);
}
}
private boolean jj_3R_8()
{
if (jj_3R_9()) return true;
return false;
}
private boolean jj_3R_7()
{
Token xsp;
xsp = jj_scanpos;
if (jj_scan_token(13))
{
jj_scanpos = xsp;
if (jj_scan_token(14))
{
jj_scanpos = xsp;
if (jj_scan_token(15)) return true;
}
}
return false;
}
private boolean jj_3_2()
{
if (jj_3R_6()) return true;
return false;
}
private boolean jj_3R_9()
{
Token xsp;
xsp = jj_scanpos;
if (jj_scan_token(12))
{
jj_scanpos = xsp;
if (jj_scan_token(13))
{
jj_scanpos = xsp;
if (jj_scan_token(14))
{
jj_scanpos = xsp;
if (jj_scan_token(15)) return true;
}
}
}
return false;
}
private boolean jj_3_3()
{
if (jj_3R_6()) return true;
return false;
}
private boolean jj_3_1()
{
if (jj_3R_6()) return true;
return false;
}
private boolean jj_3R_6()
{
if (jj_3R_7()) return true;
Token xsp;
while (true)
{
xsp = jj_scanpos;
if (jj_3R_8())
{
jj_scanpos = xsp;
break;
}
}
if (jj_scan_token(SEMICOLON)) return true;
return false;
}
/**
* Generated Token Manager.
*/
public NginxConfigParserTokenManager token_source;
SimpleCharStream jj_input_stream;
/**
* Current token.
*/
public Token token;
/**
* Next token.
*/
public Token jj_nt;
private int jj_ntk;
private Token jj_scanpos, jj_lastpos;
private int jj_la;
private int jj_gen;
final private int[] jj_la1 = new int[10];
static private int[] jj_la1_0;
static
{
jj_la1_init_0();
}
private static void jj_la1_init_0()
{
jj_la1_0 = new int[]{0x1e000, 0x1e000, 0xe000, 0x1e400, 0x1e400, 0x1e000, 0x1e000, 0xf000, 0xe000, 0xf000,};
}
final private JJCalls[] jj_2_rtns = new JJCalls[3];
private boolean jj_rescan = false;
private int jj_gc = 0;
/**
* Constructor with InputStream.
*/
public NginxConfigParser(java.io.InputStream stream)
{
this(stream, null);
}
/**
* Constructor with InputStream and supplied encoding
*/
public NginxConfigParser(java.io.InputStream stream, String encoding)
{
try
{
jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1);
} catch (java.io.UnsupportedEncodingException e)
{
throw new RuntimeException(e);
}
token_source = new NginxConfigParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 10; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Reinitialise.
*/
public void ReInit(java.io.InputStream stream)
{
ReInit(stream, null);
}
/**
* Reinitialise.
*/
public void ReInit(java.io.InputStream stream, String encoding)
{
try
{
jj_input_stream.ReInit(stream, encoding, 1, 1);
} catch (java.io.UnsupportedEncodingException e)
{
throw new RuntimeException(e);
}
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 10; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Constructor.
*/
public NginxConfigParser(java.io.Reader stream)
{
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new NginxConfigParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 10; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Reinitialise.
*/
public void ReInit(java.io.Reader stream)
{
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 10; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Constructor with generated Token Manager.
*/
public NginxConfigParser(NginxConfigParserTokenManager tm)
{
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 10; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/**
* Reinitialise.
*/
public void ReInit(NginxConfigParserTokenManager tm)
{
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 10; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
private Token jj_consume_token(int kind) throws ParseException
{
Token oldToken;
if ((oldToken = token).next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
if (token.kind == kind)
{
jj_gen++;
if (++jj_gc > 100)
{
jj_gc = 0;
for (int i = 0; i < jj_2_rtns.length; i++)
{
JJCalls c = jj_2_rtns[i];
while (c != null)
{
if (c.gen < jj_gen) c.first = null;
c = c.next;
}
}
}
return token;
}
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
@SuppressWarnings("serial")
static private final class LookaheadSuccess extends java.lang.Error
{
}
final private LookaheadSuccess jj_ls = new LookaheadSuccess();
private boolean jj_scan_token(int kind)
{
if (jj_scanpos == jj_lastpos)
{
jj_la--;
if (jj_scanpos.next == null)
{
jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
} else
{
jj_lastpos = jj_scanpos = jj_scanpos.next;
}
} else
{
jj_scanpos = jj_scanpos.next;
}
if (jj_rescan)
{
int i = 0;
Token tok = token;
while (tok != null && tok != jj_scanpos)
{
i++;
tok = tok.next;
}
if (tok != null) jj_add_error_token(kind, i);
}
if (jj_scanpos.kind != kind) return true;
if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
return false;
}
/**
* Get the next Token.
*/
final public Token getNextToken()
{
if (token.next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
jj_gen++;
return token;
}
/**
* Get the specific Token.
*/
final public Token getToken(int index)
{
Token t = token;
for (int i = 0; i < index; i++)
{
if (t.next != null) t = t.next;
else t = t.next = token_source.getNextToken();
}
return t;
}
private int jj_ntk_f()
{
if ((jj_nt = token.next) == null)
return (jj_ntk = (token.next = token_source.getNextToken()).kind);
else
return (jj_ntk = jj_nt.kind);
}
private java.util.List jj_expentries = new java.util.ArrayList();
private int[] jj_expentry;
private int jj_kind = -1;
private int[] jj_lasttokens = new int[100];
private int jj_endpos;
private void jj_add_error_token(int kind, int pos)
{
if (pos >= 100) return;
if (pos == jj_endpos + 1)
{
jj_lasttokens[jj_endpos++] = kind;
} else if (jj_endpos != 0)
{
jj_expentry = new int[jj_endpos];
for (int i = 0; i < jj_endpos; i++)
{
jj_expentry[i] = jj_lasttokens[i];
}
jj_entries_loop:
for (java.util.Iterator it = jj_expentries.iterator(); it.hasNext(); )
{
int[] oldentry = (int[]) (it.next());
if (oldentry.length == jj_expentry.length)
{
for (int i = 0; i < jj_expentry.length; i++)
{
if (oldentry[i] != jj_expentry[i])
{
continue jj_entries_loop;
}
}
jj_expentries.add(jj_expentry);
break jj_entries_loop;
}
}
if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
}
}
/**
* Generate ParseException.
*/
public ParseException generateParseException()
{
jj_expentries.clear();
boolean[] la1tokens = new boolean[19];
if (jj_kind >= 0)
{
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 10; i++)
{
if (jj_la1[i] == jj_gen)
{
for (int j = 0; j < 32; j++)
{
if ((jj_la1_0[i] & (1 << j)) != 0)
{
la1tokens[j] = true;
}
}
}
}
for (int i = 0; i < 19; i++)
{
if (la1tokens[i])
{
jj_expentry = new int[1];
jj_expentry[0] = i;
jj_expentries.add(jj_expentry);
}
}
jj_endpos = 0;
jj_rescan_token();
jj_add_error_token(0, 0);
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++)
{
exptokseq[i] = jj_expentries.get(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
/**
* Enable tracing.
*/
final public void enable_tracing()
{
}
/**
* Disable tracing.
*/
final public void disable_tracing()
{
}
private void jj_rescan_token()
{
jj_rescan = true;
for (int i = 0; i < 3; i++)
{
try
{
JJCalls p = jj_2_rtns[i];
do
{
if (p.gen > jj_gen)
{
jj_la = p.arg;
jj_lastpos = jj_scanpos = p.first;
switch (i)
{
case 0:
jj_3_1();
break;
case 1:
jj_3_2();
break;
case 2:
jj_3_3();
break;
}
}
p = p.next;
} while (p != null);
} catch (LookaheadSuccess ls)
{
}
}
jj_rescan = false;
}
private void jj_save(int index, int xla)
{
JJCalls p = jj_2_rtns[index];
while (p.gen > jj_gen)
{
if (p.next == null)
{
p = p.next = new JJCalls();
break;
}
p = p.next;
}
p.gen = jj_gen + xla - jj_la;
p.first = token;
p.arg = xla;
}
static final class JJCalls
{
int gen;
Token first;
int arg;
JJCalls next;
}
}