/* * CDE - Common Desktop Environment * * Copyright (c) 1993-2012, The Open Group. All rights reserved. * * These libraries and programs are free software; you can * redistribute them and/or modify them under the terms of the GNU * Lesser General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) * any later version. * * These libraries and programs are distributed in the hope that * they will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU Lesser General Public License for more * details. * * You should have received a copy of the GNU Lesser General Public * License along with these libraries and programs; if not, write * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth * Floor, Boston, MA 02110-1301 USA */ /* A lexical scanner generated by flex */ /* scanner skeleton version: * $XConsortium: sgml.cc /main/5 1996/08/05 17:05:53 drk $ */ #define FLEX_SCANNER #include /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ #ifdef c_plusplus #ifndef __cplusplus #define __cplusplus #endif #endif #ifdef __cplusplus #include #if defined(__linux__) || defined(CSRG_BASED) || defined(sun) #include #else #include #endif /* use prototypes in function declarations */ #define sgml_USE_PROTOS /* the "const" storage-class-modifier is valid */ #define sgml_USE_CONST #else /* ! __cplusplus */ #ifdef __STDC__ #ifdef __GNUC__ #include void *malloc( size_t ); void free( void* ); #else #include #endif /* __GNUC__ */ #define sgml_USE_PROTOS #define sgml_USE_CONST #endif /* __STDC__ */ #endif /* ! __cplusplus */ #ifdef __TURBOC__ #define sgml_USE_CONST #endif #ifndef sgml_USE_CONST #define const #endif #ifdef sgml_USE_PROTOS #define sgml_PROTO(proto) proto #else #define sgml_PROTO(proto) () /* we can't get here if it's an ANSI C compiler, or a C++ compiler, * so it's got to be a K&R compiler, and therefore there's no standard * place from which to include these definitions */ char *malloc(); int free(); int read(); #endif /* amount of stuff to slurp up with each read */ #ifndef sgml_READ_BUF_SIZE #define sgml_READ_BUF_SIZE 8192 #endif /* returned upon end-of-file */ #define sgml_END_TOK 0 /* copy whatever the last rule matched to the standard output */ /* cast to (char *) is because for 8-bit chars, sgmltext is (unsigned char *) */ /* this used to be an fputs(), but since the string might contain NUL's, * we now use fwrite() */ #define ECHO (void) fwrite( (char *) sgmltext, sgmlleng, 1, sgmlout ) /* gets input and stuffs it into "buf". number of characters read, or sgml_NULL, * is returned in "result". */ #define sgml_INPUT(buf,result,max_size) \ if ( (result = read( fileno(sgmlin), (char *) buf, max_size )) < 0 ) \ sgml_FATAL_ERROR( "read() in flex scanner failed" ); #define sgml_NULL 0 /* no semi-colon after return; correct usage is to write "sgmlterminate();" - * we don't want an extra ';' after the "return" because that will cause * some compilers to complain about unreachable statements. */ #define sgmlterminate() return ( sgml_NULL ) /* report a fatal error */ /* The funky do-while is used to turn this macro definition into * a single C statement (which needs a semi-colon terminator). * This avoids problems with code like: * * if ( something_happens ) * sgml_FATAL_ERROR( "oops, the something happened" ); * else * everything_okay(); * * Prior to using the do-while the compiler would get upset at the * "else" because it interpreted the "if" statement as being all * done when it reached the ';' after the sgml_FATAL_ERROR() call. */ #define sgml_FATAL_ERROR(msg) \ do \ { \ (void) fputs( msg, stderr ); \ (void) putc( '\n', stderr ); \ exit( 1 ); \ } \ while ( 0 ) /* default sgmlwrap function - always treat EOF as an EOF */ #define sgmlwrap() 1 /* enter a start condition. This macro really ought to take a parameter, * but we do it the disgusting crufty way forced on us by the ()-less * definition of BEGIN */ #define BEGIN sgml_start = 1 + 2 * /* action number for EOF rule of a given start state */ #define sgml_STATE_EOF(state) (sgml_END_OF_BUFFER + state + 1) /* special action meaning "start processing a new file" */ #define sgml_NEW_FILE \ do \ { \ sgml_init_buffer( sgml_current_buffer, sgmlin ); \ sgml_load_buffer_state(); \ } \ while ( 0 ) /* default declaration of generated scanner - a define so the user can * easily add parameters */ #define sgml_DECL int sgmllex sgml_PROTO(( void )) /* code executed at the end of each rule */ #define sgml_BREAK break; #define sgml_END_OF_BUFFER_CHAR 0 #ifndef sgml_BUF_SIZE #define sgml_BUF_SIZE (sgml_READ_BUF_SIZE * 2) /* size of default input buffer */ #endif typedef struct sgml_buffer_state *sgml_BUFFER_STATE; #define sgml_CHAR unsigned char # line 1 "sgml.l" #define INITIAL 0 /* * $XConsortium: sgml.cc /main/5 1996/08/05 17:05:53 drk $ * * Copyright (c) 1993 HAL Computer Systems International, Ltd. * All rights reserved. Unpublished -- rights reserved under * the Copyright Laws of the United States. USE OF A COPYRIGHT * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION * OR DISCLOSURE. * * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE, * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS * INTERNATIONAL, LTD. * * RESTRICTED RIGHTS LEGEND * Use, duplication, or disclosure by the Government is subject * to the restrictions as set forth in subparagraph (c)(l)(ii) * of the Rights in Technical Data and Computer Software clause * at DFARS 252.227-7013. * * HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. * 1315 Dell Avenue * Campbell, CA 95008 * */ # line 37 "sgml.l" #include "compression/trie.h" #include "compression/abs_agent.h" static unsigned char sgmlbuf[LBUFSIZ]; static int sgmlbuf_sz = LBUFSIZ; static int sgmlbuffed = 0; #undef sgmlwrap int sgmlwrap(); #undef sgml_INPUT #define sgml_INPUT(buf,result,max_size) \ { \ result = (*fill_buf_func)((unsigned char*)buf,max_size); \ } # line 59 "sgml.l" /* done after the current pattern has been matched and before the * corresponding action - sets up sgmltext */ #define sgml_DO_BEFORE_ACTION \ sgmltext = sgml_bp; \ sgmlleng = sgml_cp - sgml_bp; \ sgml_hold_char = *sgml_cp; \ *sgml_cp = '\0'; \ sgml_c_buf_p = sgml_cp; #define EOB_ACT_CONTINUE_SCAN 0 #define EOB_ACT_END_OF_FILE 1 #define EOB_ACT_LAST_MATCH 2 /* return all but the first 'n' matched characters back to the input stream */ #define sgmlless(n) \ do \ { \ /* undo effects of setting up sgmltext */ \ *sgml_cp = sgml_hold_char; \ sgml_c_buf_p = sgml_cp = sgml_bp + n; \ sgml_DO_BEFORE_ACTION; /* set up sgmltext again */ \ } \ while ( 0 ) #define unput(c) sgmlunput( c, sgmltext ) struct sgml_buffer_state { FILE *sgml_input_file; sgml_CHAR *sgml_ch_buf; /* input buffer */ sgml_CHAR *sgml_buf_pos; /* current position in input buffer */ /* size of input buffer in bytes, not including room for EOB characters*/ int sgml_buf_size; /* number of characters read into sgml_ch_buf, not including EOB characters */ int sgml_n_chars; int sgml_eof_status; /* whether we've seen an EOF on this buffer */ #define EOF_NOT_SEEN 0 /* "pending" happens when the EOF has been seen but there's still * some text process */ #define EOF_PENDING 1 #define EOF_DONE 2 }; static sgml_BUFFER_STATE sgml_current_buffer; /* we provide macros for accessing buffer states in case in the * future we want to put the buffer states in a more general * "scanner state" */ #define sgml_CURRENT_BUFFER sgml_current_buffer /* sgml_hold_char holds the character lost when sgmltext is formed */ static sgml_CHAR sgml_hold_char; static int sgml_n_chars; /* number of characters read into sgml_ch_buf */ #ifndef sgml_USER_ACTION #define sgml_USER_ACTION #endif #ifndef sgml_USER_INIT #define sgml_USER_INIT #endif extern sgml_CHAR *sgmltext; extern int sgmlleng; extern FILE *sgmlin, *sgmlout; sgml_CHAR *sgmltext; int sgmlleng; FILE *sgmlin = (FILE *) 0, *sgmlout = (FILE *) 0; #define sgml_END_OF_BUFFER 4 typedef int sgml_state_type; static const short int sgml_accept[11] = { 0, 0, 0, 4, 2, 2, 0, 0, 1, 0, 0 } ; static const sgml_CHAR sgml_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 5, 1, 6, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } ; static const sgml_CHAR sgml_meta[7] = { 0, 1, 1, 2, 1, 1, 1 } ; static const short int sgml_base[13] = { 0, 7, 6, 7, 13, 0, 2, 0, 13, 0, 13, 8, 0 } ; static const short int sgml_def[13] = { 0, 11, 11, 10, 10, 10, 10, 12, 10, 12, 0, 10, 10 } ; static const short int sgml_nxt[20] = { 0, 10, 9, 6, 7, 6, 8, 10, 8, 4, 4, 5, 5, 3, 10, 10, 10, 10, 10, 10 } ; static const short int sgml_chk[20] = { 0, 0, 12, 5, 5, 6, 9, 3, 6, 11, 11, 2, 1, 10, 10, 10, 10, 10, 10, 10 } ; static sgml_state_type sgml_last_accepting_state; static sgml_CHAR *sgml_last_accepting_cpos; /* the intent behind this definition is that it'll catch * any uses of REJECT which flex missed */ #define REJECT reject_used_but_not_detected #define sgmlmore() sgmlmore_used_but_not_detected #define sgml_MORE_ADJ 0 /* these variables are all declared out here so that section 3 code can * manipulate them */ /* points to current character in buffer */ static sgml_CHAR *sgml_c_buf_p = (sgml_CHAR *) 0; static int sgml_init = 1; /* whether we need to initialize */ static int sgml_start = 0; /* start state number */ /* flag which is used to allow sgmlwrap()'s to do buffer switches * instead of setting up a fresh sgmlin. A bit of a hack ... */ static int sgml_did_buffer_switch_on_eof; static sgml_state_type sgml_get_previous_state sgml_PROTO(( void )); static sgml_state_type sgml_try_NUL_trans sgml_PROTO(( sgml_state_type current_state )); static int sgml_get_next_buffer sgml_PROTO(( void )); #if 0 static void sgmlunput sgml_PROTO(( sgml_CHAR c, sgml_CHAR *buf_ptr )); #endif void sgmlrestart sgml_PROTO(( FILE *input_file )); void sgml_switch_to_buffer sgml_PROTO(( sgml_BUFFER_STATE new_buffer )); void sgml_load_buffer_state sgml_PROTO(( void )); sgml_BUFFER_STATE sgml_create_buffer sgml_PROTO(( FILE *file, int size )); void sgml_delete_buffer sgml_PROTO(( sgml_BUFFER_STATE b )); void sgml_init_buffer sgml_PROTO(( sgml_BUFFER_STATE b, FILE *file )); #define sgml_new_buffer sgml_create_buffer #if 0 #ifdef __cplusplus static int sgmlinput sgml_PROTO(( void )); #else static int input sgml_PROTO(( void )); #endif #endif sgml_DECL { sgml_state_type sgml_current_state; sgml_CHAR *sgml_cp, *sgml_bp; int sgml_act; if ( sgml_init ) { sgml_USER_INIT; if ( ! sgml_start ) sgml_start = 1; /* first start state */ if ( ! sgmlin ) sgmlin = stdin; if ( ! sgmlout ) sgmlout = stdout; if ( sgml_current_buffer ) sgml_init_buffer( sgml_current_buffer, sgmlin ); else sgml_current_buffer = sgml_create_buffer( sgmlin, sgml_BUF_SIZE ); sgml_load_buffer_state(); sgml_init = 0; } while ( 1 ) /* loops until end-of-file is reached */ { sgml_cp = sgml_c_buf_p; /* support of sgmltext */ *sgml_cp = sgml_hold_char; /* sgml_bp points to the position in sgml_ch_buf of the start of the * current run. */ sgml_bp = sgml_cp; sgml_current_state = sgml_start; sgml_match: do { sgml_CHAR sgml_c = sgml_ec[*sgml_cp]; if ( sgml_accept[sgml_current_state] ) { sgml_last_accepting_state = sgml_current_state; sgml_last_accepting_cpos = sgml_cp; } while ( sgml_chk[sgml_base[sgml_current_state] + sgml_c] != sgml_current_state ) { sgml_current_state = sgml_def[sgml_current_state]; if ( sgml_current_state >= 11 ) sgml_c = sgml_meta[sgml_c]; } sgml_current_state = sgml_nxt[sgml_base[sgml_current_state] + sgml_c]; ++sgml_cp; } while ( sgml_current_state != 10 ); sgml_cp = sgml_last_accepting_cpos; sgml_current_state = sgml_last_accepting_state; sgml_find_action: sgml_act = sgml_accept[sgml_current_state]; sgml_DO_BEFORE_ACTION; sgml_USER_ACTION; do_action: /* this label is used only to access EOF actions */ switch ( sgml_act ) { case 0: /* must backtrack */ /* undo the effects of sgml_DO_BEFORE_ACTION */ *sgml_cp = sgml_hold_char; sgml_cp = sgml_last_accepting_cpos; sgml_current_state = sgml_last_accepting_state; goto sgml_find_action; case 1: # line 61 "sgml.l" { (*lex_action_func)((unsigned char*)(sgmltext), sgmlleng, 1); } sgml_BREAK case 2: # line 65 "sgml.l" { if ( sgmlbuffed >= sgmlbuf_sz ) { (*lex_action_func)(sgmlbuf, sgmlbuf_sz, 2); sgmlbuffed = 0; } sgmlbuf[sgmlbuffed++] = sgmltext[0]; } sgml_BREAK case 3: # line 75 "sgml.l" sgml_FATAL_ERROR( "flex scanner jammed" ); sgml_BREAK case sgml_STATE_EOF(INITIAL): sgmlterminate(); case sgml_END_OF_BUFFER: { /* amount of text matched not including the EOB char */ int sgml_amount_of_matched_text = sgml_cp - sgmltext - 1; /* undo the effects of sgml_DO_BEFORE_ACTION */ *sgml_cp = sgml_hold_char; /* note that here we test for sgml_c_buf_p "<=" to the position * of the first EOB in the buffer, since sgml_c_buf_p will * already have been incremented past the NUL character * (since all states make transitions on EOB to the end- * of-buffer state). Contrast this with the test in sgmlinput(). */ if ( sgml_c_buf_p <= &sgml_current_buffer->sgml_ch_buf[sgml_n_chars] ) /* this was really a NUL */ { sgml_state_type sgml_next_state; sgml_c_buf_p = sgmltext + sgml_amount_of_matched_text; sgml_current_state = sgml_get_previous_state(); /* okay, we're now positioned to make the * NUL transition. We couldn't have * sgml_get_previous_state() go ahead and do it * for us because it doesn't know how to deal * with the possibility of jamming (and we * don't want to build jamming into it because * then it will run more slowly) */ sgml_next_state = sgml_try_NUL_trans( sgml_current_state ); sgml_bp = sgmltext + sgml_MORE_ADJ; if ( sgml_next_state ) { /* consume the NUL */ sgml_cp = ++sgml_c_buf_p; sgml_current_state = sgml_next_state; goto sgml_match; } else { sgml_cp = sgml_last_accepting_cpos; sgml_current_state = sgml_last_accepting_state; goto sgml_find_action; } } else switch ( sgml_get_next_buffer() ) { case EOB_ACT_END_OF_FILE: { sgml_did_buffer_switch_on_eof = 0; if ( sgmlwrap() ) { /* note: because we've taken care in * sgml_get_next_buffer() to have set up sgmltext, * we can now set up sgml_c_buf_p so that if some * total hoser (like flex itself) wants * to call the scanner after we return the * sgml_NULL, it'll still work - another sgml_NULL * will get returned. */ sgml_c_buf_p = sgmltext + sgml_MORE_ADJ; sgml_act = sgml_STATE_EOF((sgml_start - 1) / 2); goto do_action; } else { if ( ! sgml_did_buffer_switch_on_eof ) sgml_NEW_FILE; } } break; case EOB_ACT_CONTINUE_SCAN: sgml_c_buf_p = sgmltext + sgml_amount_of_matched_text; sgml_current_state = sgml_get_previous_state(); sgml_cp = sgml_c_buf_p; sgml_bp = sgmltext + sgml_MORE_ADJ; goto sgml_match; case EOB_ACT_LAST_MATCH: sgml_c_buf_p = &sgml_current_buffer->sgml_ch_buf[sgml_n_chars]; sgml_current_state = sgml_get_previous_state(); sgml_cp = sgml_c_buf_p; sgml_bp = sgmltext + sgml_MORE_ADJ; goto sgml_find_action; } break; } default: #ifdef FLEX_DEBUG printf( "action # %d\n", sgml_act ); #endif sgml_FATAL_ERROR( "fatal flex scanner internal error--no action found" ); } } } /* sgml_get_next_buffer - try to read in a new buffer * * synopsis * int sgml_get_next_buffer(); * * returns a code representing an action * EOB_ACT_LAST_MATCH - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position * EOB_ACT_END_OF_FILE - end of file */ static int sgml_get_next_buffer() { sgml_CHAR *dest = sgml_current_buffer->sgml_ch_buf; sgml_CHAR *source = sgmltext - 1; /* copy prev. char, too */ int number_to_move, i; int ret_val; if ( sgml_c_buf_p > &sgml_current_buffer->sgml_ch_buf[sgml_n_chars + 1] ) sgml_FATAL_ERROR( "fatal flex scanner internal error--end of buffer missed" ); /* try to read more data */ /* first move last chars to start of buffer */ number_to_move = sgml_c_buf_p - sgmltext; for ( i = 0; i < number_to_move; ++i ) *(dest++) = *(source++); if ( sgml_current_buffer->sgml_eof_status != EOF_NOT_SEEN ) /* don't do the read, it's not guaranteed to return an EOF, * just force an EOF */ sgml_n_chars = 0; else { int num_to_read = sgml_current_buffer->sgml_buf_size - number_to_move - 1; if ( num_to_read > sgml_READ_BUF_SIZE ) num_to_read = sgml_READ_BUF_SIZE; else if ( num_to_read <= 0 ) sgml_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); /* read in more data */ sgml_INPUT( (&sgml_current_buffer->sgml_ch_buf[number_to_move]), sgml_n_chars, num_to_read ); } if ( sgml_n_chars == 0 ) { if ( number_to_move == 1 ) { ret_val = EOB_ACT_END_OF_FILE; sgml_current_buffer->sgml_eof_status = EOF_DONE; } else { ret_val = EOB_ACT_LAST_MATCH; sgml_current_buffer->sgml_eof_status = EOF_PENDING; } } else ret_val = EOB_ACT_CONTINUE_SCAN; sgml_n_chars += number_to_move; sgml_current_buffer->sgml_ch_buf[sgml_n_chars] = sgml_END_OF_BUFFER_CHAR; sgml_current_buffer->sgml_ch_buf[sgml_n_chars + 1] = sgml_END_OF_BUFFER_CHAR; /* sgmltext begins at the second character in sgml_ch_buf; the first * character is the one which preceded it before reading in the latest * buffer; it needs to be kept around in case it's a newline, so * sgml_get_previous_state() will have with '^' rules active */ sgmltext = &sgml_current_buffer->sgml_ch_buf[1]; return ( ret_val ); } /* sgml_get_previous_state - get the state just before the EOB char was reached * * synopsis * sgml_state_type sgml_get_previous_state(); */ static sgml_state_type sgml_get_previous_state() { sgml_state_type sgml_current_state; sgml_CHAR *sgml_cp; sgml_current_state = sgml_start; for ( sgml_cp = sgmltext + sgml_MORE_ADJ; sgml_cp < sgml_c_buf_p; ++sgml_cp ) { sgml_CHAR sgml_c = (*sgml_cp ? sgml_ec[*sgml_cp] : 1); if ( sgml_accept[sgml_current_state] ) { sgml_last_accepting_state = sgml_current_state; sgml_last_accepting_cpos = sgml_cp; } while ( sgml_chk[sgml_base[sgml_current_state] + sgml_c] != sgml_current_state ) { sgml_current_state = sgml_def[sgml_current_state]; if ( sgml_current_state >= 11 ) sgml_c = sgml_meta[sgml_c]; } sgml_current_state = sgml_nxt[sgml_base[sgml_current_state] + sgml_c]; } return ( sgml_current_state ); } /* sgml_try_NUL_trans - try to make a transition on the NUL character * * synopsis * next_state = sgml_try_NUL_trans( current_state ); */ #ifdef sgml_USE_PROTOS static sgml_state_type sgml_try_NUL_trans( sgml_state_type sgml_current_state ) #else static sgml_state_type sgml_try_NUL_trans( sgml_current_state ) sgml_state_type sgml_current_state; #endif { int sgml_is_jam; sgml_CHAR *sgml_cp = sgml_c_buf_p; sgml_CHAR sgml_c = 1; if ( sgml_accept[sgml_current_state] ) { sgml_last_accepting_state = sgml_current_state; sgml_last_accepting_cpos = sgml_cp; } while ( sgml_chk[sgml_base[sgml_current_state] + sgml_c] != sgml_current_state ) { sgml_current_state = sgml_def[sgml_current_state]; if ( sgml_current_state >= 11 ) sgml_c = sgml_meta[sgml_c]; } sgml_current_state = sgml_nxt[sgml_base[sgml_current_state] + sgml_c]; sgml_is_jam = (sgml_current_state == 10); return ( sgml_is_jam ? 0 : sgml_current_state ); } #if 0 #ifdef sgml_USE_PROTOS static void sgmlunput( sgml_CHAR c, sgml_CHAR *sgml_bp ) #else static void sgmlunput( c, sgml_bp ) sgml_CHAR c; sgml_CHAR *sgml_bp; #endif { sgml_CHAR *sgml_cp = sgml_c_buf_p; /* undo effects of setting up sgmltext */ *sgml_cp = sgml_hold_char; if ( sgml_cp < sgml_current_buffer->sgml_ch_buf + 2 ) { /* need to shift things up to make room */ int number_to_move = sgml_n_chars + 2; /* +2 for EOB chars */ sgml_CHAR *dest = &sgml_current_buffer->sgml_ch_buf[sgml_current_buffer->sgml_buf_size + 2]; sgml_CHAR *source = &sgml_current_buffer->sgml_ch_buf[number_to_move]; while ( source > sgml_current_buffer->sgml_ch_buf ) *--dest = *--source; sgml_cp += dest - source; sgml_bp += dest - source; sgml_n_chars = sgml_current_buffer->sgml_buf_size; if ( sgml_cp < sgml_current_buffer->sgml_ch_buf + 2 ) sgml_FATAL_ERROR( "flex scanner push-back overflow" ); } if ( sgml_cp > sgml_bp && sgml_cp[-1] == '\n' ) sgml_cp[-2] = '\n'; *--sgml_cp = c; /* note: the formal parameter *must* be called "sgml_bp" for this * macro to now work correctly */ sgml_DO_BEFORE_ACTION; /* set up sgmltext again */ } #endif #if 0 #ifdef __cplusplus static int sgmlinput() #else static int input() #endif { int c; sgml_CHAR *sgml_cp = sgml_c_buf_p; *sgml_cp = sgml_hold_char; if ( *sgml_c_buf_p == sgml_END_OF_BUFFER_CHAR ) { /* sgml_c_buf_p now points to the character we want to return. * If this occurs *before* the EOB characters, then it's a * valid NUL; if not, then we've hit the end of the buffer. */ if ( sgml_c_buf_p < &sgml_current_buffer->sgml_ch_buf[sgml_n_chars] ) /* this was really a NUL */ *sgml_c_buf_p = '\0'; else { /* need more input */ sgmltext = sgml_c_buf_p; ++sgml_c_buf_p; switch ( sgml_get_next_buffer() ) { case EOB_ACT_END_OF_FILE: { if ( sgmlwrap() ) { sgml_c_buf_p = sgmltext + sgml_MORE_ADJ; return ( EOF ); } sgml_NEW_FILE; #ifdef __cplusplus return ( sgmlinput() ); #else return ( input() ); #endif } break; case EOB_ACT_CONTINUE_SCAN: sgml_c_buf_p = sgmltext + sgml_MORE_ADJ; break; case EOB_ACT_LAST_MATCH: #ifdef __cplusplus sgml_FATAL_ERROR( "unexpected last match in sgmlinput()" ); #else sgml_FATAL_ERROR( "unexpected last match in input()" ); #endif } } } c = *sgml_c_buf_p; sgml_hold_char = *++sgml_c_buf_p; return ( c ); } #endif #ifdef sgml_USE_PROTOS void sgmlrestart( FILE *input_file ) #else void sgmlrestart( input_file ) FILE *input_file; #endif { sgml_init_buffer( sgml_current_buffer, input_file ); sgml_load_buffer_state(); } #ifdef sgml_USE_PROTOS void sgml_switch_to_buffer( sgml_BUFFER_STATE new_buffer ) #else void sgml_switch_to_buffer( new_buffer ) sgml_BUFFER_STATE new_buffer; #endif { if ( sgml_current_buffer == new_buffer ) return; if ( sgml_current_buffer ) { /* flush out information for old buffer */ *sgml_c_buf_p = sgml_hold_char; sgml_current_buffer->sgml_buf_pos = sgml_c_buf_p; sgml_current_buffer->sgml_n_chars = sgml_n_chars; } sgml_current_buffer = new_buffer; sgml_load_buffer_state(); /* we don't actually know whether we did this switch during * EOF (sgmlwrap()) processing, but the only time this flag * is looked at is after sgmlwrap() is called, so it's safe * to go ahead and always set it. */ sgml_did_buffer_switch_on_eof = 1; } #ifdef sgml_USE_PROTOS void sgml_load_buffer_state( void ) #else void sgml_load_buffer_state() #endif { sgml_n_chars = sgml_current_buffer->sgml_n_chars; sgmltext = sgml_c_buf_p = sgml_current_buffer->sgml_buf_pos; sgmlin = sgml_current_buffer->sgml_input_file; sgml_hold_char = *sgml_c_buf_p; } #ifdef sgml_USE_PROTOS sgml_BUFFER_STATE sgml_create_buffer( FILE *file, int size ) #else sgml_BUFFER_STATE sgml_create_buffer( file, size ) FILE *file; int size; #endif { sgml_BUFFER_STATE b; b = (sgml_BUFFER_STATE) malloc( sizeof( struct sgml_buffer_state ) ); if ( ! b ) sgml_FATAL_ERROR( "out of dynamic memory in sgml_create_buffer()" ); b->sgml_buf_size = size; /* sgml_ch_buf has to be 2 characters longer than the size given because * we need to put in 2 end-of-buffer characters. */ b->sgml_ch_buf = (sgml_CHAR *) malloc( (unsigned) (b->sgml_buf_size + 2) ); if ( ! b->sgml_ch_buf ) sgml_FATAL_ERROR( "out of dynamic memory in sgml_create_buffer()" ); sgml_init_buffer( b, file ); return ( b ); } #ifdef sgml_USE_PROTOS void sgml_delete_buffer( sgml_BUFFER_STATE b ) #else void sgml_delete_buffer( b ) sgml_BUFFER_STATE b; #endif { if ( b == sgml_current_buffer ) sgml_current_buffer = (sgml_BUFFER_STATE) 0; free( (char *) b->sgml_ch_buf ); free( (char *) b ); } #ifdef sgml_USE_PROTOS void sgml_init_buffer( sgml_BUFFER_STATE b, FILE *file ) #else void sgml_init_buffer( b, file ) sgml_BUFFER_STATE b; FILE *file; #endif { b->sgml_input_file = file; /* we put in the '\n' and start reading from [1] so that an * initial match-at-newline will be true. */ b->sgml_ch_buf[0] = '\n'; b->sgml_n_chars = 1; /* we always need two end-of-buffer characters. The first causes * a transition to the end-of-buffer state. The second causes * a jam in that state. */ b->sgml_ch_buf[1] = sgml_END_OF_BUFFER_CHAR; b->sgml_ch_buf[2] = sgml_END_OF_BUFFER_CHAR; b->sgml_buf_pos = &b->sgml_ch_buf[1]; b->sgml_eof_status = EOF_NOT_SEEN; } # line 75 "sgml.l" int sgmlwrap() { (*lex_action_func)(sgmlbuf, sgmlbuffed, 2); return 1; }