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Diffstat (limited to 'source3/ubiqx/debugparse.c')
| -rw-r--r-- | source3/ubiqx/debugparse.c | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/source3/ubiqx/debugparse.c b/source3/ubiqx/debugparse.c deleted file mode 100644 index c5fe3e2ee8..0000000000 --- a/source3/ubiqx/debugparse.c +++ /dev/null @@ -1,308 +0,0 @@ -/* ========================================================================== ** - * debugparse.c - * - * Copyright (C) 1998 by Christopher R. Hertel - * - * Email: crh@ubiqx.mn.org - * - * -------------------------------------------------------------------------- ** - * This module is a very simple parser for Samba debug log files. - * -------------------------------------------------------------------------- ** - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * -------------------------------------------------------------------------- ** - * The important function in this module is dbg_char2token(). The rest is - * basically fluff. (Potentially useful fluff, but still fluff.) - * ========================================================================== ** - */ - -#include "debugparse.h" - -/* -------------------------------------------------------------------------- ** - * Constants... - * - * DBG_BSIZE - This internal constant is used only by dbg_test(). It is the - * size of the read buffer. I've tested the function using a - * DBG_BSIZE value of 2. - */ - -#define DBG_BSIZE 128 - -/* -------------------------------------------------------------------------- ** - * Functions... - */ - -const char *dbg_token2string( dbg_Token tok ) - /* ------------------------------------------------------------------------ ** - * Given a token, return a string describing the token. - * - * Input: tok - One of the set of dbg_Tokens defined in debugparse.h. - * - * Output: A string identifying the token. This is useful for debugging, - * etc. - * - * Note: If the token is not known, this function will return the - * string "<unknown>". - * - * ------------------------------------------------------------------------ ** - */ - { - switch( tok ) - { - case dbg_null: - return( "null" ); - case dbg_ignore: - return( "ignore" ); - case dbg_header: - return( "header" ); - case dbg_timestamp: - return( "time stamp" ); - case dbg_level: - return( "level" ); - case dbg_sourcefile: - return( "source file" ); - case dbg_function: - return( "function" ); - case dbg_lineno: - return( "line number" ); - case dbg_message: - return( "message" ); - case dbg_eof: - return( "[EOF]" ); - } - return( "<unknown>" ); - } /* dbg_token2string */ - -dbg_Token dbg_char2token( dbg_Token *state, int c ) - /* ------------------------------------------------------------------------ ** - * Parse input one character at a time. - * - * Input: state - A pointer to a token variable. This is used to - * maintain the parser state between calls. For - * each input stream, you should set up a separate - * state variable and initialize it to dbg_null. - * Pass a pointer to it into this function with each - * character in the input stream. See dbg_test() - * for an example. - * c - The "current" character in the input stream. - * - * Output: A token. - * The token value will change when delimiters are found, - * which indicate a transition between syntactical objects. - * Possible return values are: - * - * dbg_null - The input character was an end-of-line. - * This resets the parser to its initial state - * in preparation for parsing the next line. - * dbg_eof - Same as dbg_null, except that the character - * was an end-of-file. - * dbg_ignore - Returned for whitespace and delimiters. - * These lexical tokens are only of interest - * to the parser. - * dbg_header - Indicates the start of a header line. The - * input character was '[' and was the first on - * the line. - * dbg_timestamp - Indicates that the input character was part - * of a header timestamp. - * dbg_level - Indicates that the input character was part - * of the debug-level value in the header. - * dbg_sourcefile - Indicates that the input character was part - * of the sourcefile name in the header. - * dbg_function - Indicates that the input character was part - * of the function name in the header. - * dbg_lineno - Indicates that the input character was part - * of the DEBUG call line number in the header. - * dbg_message - Indicates that the input character was part - * of the DEBUG message text. - * - * ------------------------------------------------------------------------ ** - */ - { - /* The terminating characters that we see will greatly depend upon - * how they are read. For example, if gets() is used instead of - * fgets(), then we will not see newline characters. A lot also - * depends on the calling function, which may handle terminators - * itself. - * - * '\n', '\0', and EOF are all considered line terminators. The - * dbg_eof token is sent back if an EOF is encountered. - * - * Warning: only allow the '\0' character to be sent if you are - * using gets() to read whole lines (thus replacing '\n' - * with '\0'). Sending '\0' at the wrong time will mess - * up the parsing. - */ - switch( c ) - { - case EOF: - *state = dbg_null; /* Set state to null (initial state) so */ - return( dbg_eof ); /* that we can restart with new input. */ - case '\n': - case '\0': - *state = dbg_null; /* A newline or eoln resets to the null state. */ - return( dbg_null ); - } - - /* When within the body of the message, only a line terminator - * can cause a change of state. We've already checked for line - * terminators, so if the current state is dbg_msgtxt, simply - * return that as our current token. - */ - if( dbg_message == *state ) - return( dbg_message ); - - /* If we are at the start of a new line, and the input character - * is an opening bracket, then the line is a header line, otherwise - * it's a message body line. - */ - if( dbg_null == *state ) - { - if( '[' == c ) - { - *state = dbg_timestamp; - return( dbg_header ); - } - *state = dbg_message; - return( dbg_message ); - } - - /* We've taken care of terminators, text blocks and new lines. - * The remaining possibilities are all within the header line - * itself. - */ - - /* Within the header line, whitespace can be ignored *except* - * within the timestamp. - */ - if( isspace( c ) ) - { - /* Fudge. The timestamp may contain space characters. */ - if( (' ' == c) && (dbg_timestamp == *state) ) - return( dbg_timestamp ); - /* Otherwise, ignore whitespace. */ - return( dbg_ignore ); - } - - /* Okay, at this point we know we're somewhere in the header. - * Valid header *states* are: dbg_timestamp, dbg_level, - * dbg_sourcefile, dbg_function, and dbg_lineno. - */ - switch( c ) - { - case ',': - if( dbg_timestamp == *state ) - { - *state = dbg_level; - return( dbg_ignore ); - } - break; - case ']': - if( dbg_level == *state ) - { - *state = dbg_sourcefile; - return( dbg_ignore ); - } - break; - case ':': - if( dbg_sourcefile == *state ) - { - *state = dbg_function; - return( dbg_ignore ); - } - break; - case '(': - if( dbg_function == *state ) - { - *state = dbg_lineno; - return( dbg_ignore ); - } - break; - case ')': - if( dbg_lineno == *state ) - { - *state = dbg_null; - return( dbg_ignore ); - } - break; - } - - /* If the previous block did not result in a state change, then - * return the current state as the current token. - */ - return( *state ); - } /* dbg_char2token */ - -void dbg_test( void ) - /* ------------------------------------------------------------------------ ** - * Simple test function. - * - * Input: none. - * Output: none. - * Notes: This function was used to test dbg_char2token(). It reads a - * Samba log file from stdin and prints parsing info to stdout. - * It also serves as a simple example. - * - * ------------------------------------------------------------------------ ** - */ - { - char bufr[DBG_BSIZE]; - int i; - int linecount = 1; - dbg_Token old = dbg_null, - newtok= dbg_null, - state = dbg_null; - - while( fgets( bufr, DBG_BSIZE, stdin ) ) - { - for( i = 0; bufr[i]; i++ ) - { - old = newtok; - newtok = dbg_char2token( &state, bufr[i] ); - switch( newtok ) - { - case dbg_header: - if( linecount > 1 ) - (void)putchar( '\n' ); - break; - case dbg_null: - linecount++; - break; - case dbg_ignore: - break; - default: - if( old != newtok ) - (void)printf( "\n[%05d]%12s: ", linecount, dbg_token2string(newtok) ); - (void)putchar( bufr[i] ); - } - } - } - (void)putchar( '\n' ); - } /* dbg_test */ - - -/* -------------------------------------------------------------------------- ** - * This simple main line can be uncommented and used to test the parser. - */ - -/* - * int main( void ) - * { - * dbg_test(); - * return( 0 ); - * } - */ - -/* ========================================================================== */ |