gecko-dev/lib/libparse/pa_parse.h

136 lines
4.6 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef PA_PARSE_H
#define PA_PARSE_H
#include "xp.h"
#include "pa_tags.h"
#include "edttypes.h"
#include "csid.h"
#define PA_ABORT -1
#define PA_PARSED 0
#define PA_COMPLETE 1
#define COMMENT_NO 0
#define COMMENT_YES 1
#define COMMENT_MAYBE 2
#define COMMENT_UNCOMMENT 3 /* A conditional comment which turned
out not to be a comment. The
commit delimiters need to be
stripped off. */
#define COMMENT_PROCESS 4 /* processing instruction <? gunk ?> */
/*************************
* The following is to speed up case conversion
* to allow faster checking of caseless equal among strings.
* Used in pa_TagEqual().
*************************/
#ifdef NON_ASCII_STRINGS
# define TOLOWER(x) (tolower((unsigned int)(x)))
#else /* ASCII TABLE LOOKUP */
extern unsigned char lower_lookup[256];
# define TOLOWER(x) (lower_lookup[(unsigned int)(x)])
#endif /* NON_ASCII_STRINGS */
/*******************************
* PRIVATE STRUCTURES
*******************************/
typedef struct pa_Overflow_struct {
XP_Block buf;
int32 size;
int32 len;
struct pa_Overflow_struct *next;
} pa_Overflow;
typedef struct pa_DocData_struct {
int32 doc_id;
MWContext *window_id;
URL_Struct *url_struct;
PA_OutputFunction *output_tag;
XP_Block hold_buf; /* for when we are partway though a tag */
int32 hold_size;
int32 hold_len;
pa_Overflow *overflow_stack;
int overflow_depth; /* send data to overflow_buf */
int32 brute_tag;
int32 comment_bytes;
void *layout_state;
char *url;
FO_Present_Types format_out;
ED_Buffer *edit_buffer;
NET_StreamClass *parser_stream;
uint no_newline_count;
uint newline_count;
int stream_count;
int stream_status;
PRPackedBool from_net;
PRPackedBool is_inline_stream; /* Does this doc_data correspond to an inline
stream */
PRPackedBool hold; /* send data to hold_buf */
PRPackedBool waiting_for_js_thread;
PRPackedBool lose_newline;
} pa_DocData;
struct pa_TagTable { char *name; int id; };
/*******************************
* PUBLIC FUNCTIONS
*******************************/
extern void PA_FreeTag(PA_Tag *);
extern void PA_FetchRequestedNameValues(PA_Tag *tag, char *namesToFind[], int32 numNamesToFind, char *values[], uint16 win_csid);
extern PA_Block PA_FetchParamValue(PA_Tag *, char *, uint16);
extern int32 PA_FetchAllNameValues(PA_Tag *, char ***, char ***, uint16);
extern Bool PA_TagHasParams(PA_Tag *);
extern pa_DocData * PA_HoldDocData(pa_DocData * doc_data);
extern pa_DocData * PA_DropDocData(NET_StreamClass *stream);
extern void PA_PushOverflow(pa_DocData* doc_data);
extern pa_Overflow* PA_PopOverflow(pa_DocData* doc_data);
extern void PA_FreeOverflow(pa_Overflow *overflow);
extern int PA_GetOverflowDepth(pa_DocData *doc_data);
extern XP_Block PA_GetOverflowBuf(pa_DocData *doc_data);
/*******************************
* PRIVATE FUNCTIONS
*******************************/
extern intn pa_TagEqual(char *, char *);
extern char *pa_FindMDLTag(pa_DocData *, char *, int32, intn *);
extern char *pa_FindMDLEndTag(pa_DocData *, char *, int32);
extern char *pa_FindMDLEndComment(pa_DocData *, char *, int32);
extern char *pa_FindMDLEndProcessInstruction(pa_DocData *, char *, int32);
extern PA_Tag *pa_CreateTextTag(pa_DocData *, char *, int32);
extern PA_Tag *pa_CreateMDLTag(pa_DocData *, char *, int32);
extern char *pa_ExpandEscapes(char *, int32, int32 *, Bool, int16);
extern struct pa_TagTable * pa_LookupTag (char* str, unsigned int len);
extern const char *pa_PrintTagToken(int32); /* for debugging only */
extern intn pa_tokenize_tag(char *str);
extern void pa_FlushOverflow(NET_StreamClass *stream);
/*
extern intn LO_Format(int32, PA_Tag *, intn);
*/
#endif /* PA_PARSE_H */