1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/* File access in libwww
** FILE ACCESS
**
** These are routines for local file access used by WWW browsers and servers.
** Implemented by HTFile.c.
**
** If the file is not a local file, then we pass it on to HTFTP in case it
** can be reached by FTP.
*/
#ifndef HTFILE_H
#define HTFILE_H
#include "HTFormat.h"
#include "HTAccess.h"
#ifndef HTML_H
#include "HTML.h" /* SCW */
#endif /* HTML_H */
/*
** Controlling globals
**
** These flags control how directories and files are represented as
** hypertext, and are typically set by the application from command
** line options, etc.
*/
extern int HTDirAccess; /* Directory access level */
#define HT_DIR_FORBID 0 /* Altogether forbidden */
#define HT_DIR_SELECTIVE 1 /* If HT_DIR_ENABLE_FILE exists */
#define HT_DIR_OK 2 /* Any accesible directory */
#define HT_DIR_ENABLE_FILE ".www_browsable" /* If exists, can browse */
extern int HTDirReadme; /* Include readme files in listing? */
/* Values: */
#define HT_DIR_README_NONE 0 /* No */
#define HT_DIR_README_TOP 1 /* Yes, first */
#define HT_DIR_README_BOTTOM 2 /* Yes, at the end */
#define HT_DIR_README_FILE "README"
/*
** Convert filenames between local and WWW formats
*/
extern char * HTLocalName PARAMS((CONST char * name));
/*
** Make a WWW name from a full local path name
*/
extern char * WWW_nameOfFile PARAMS((const char * name));
/*
** Generate the name of a cache file
*/
extern char * HTCacheFileName PARAMS((CONST char * name));
/*
** Output directory titles
**
** This is (like the next one) used by HTFTP. It is common code to generate
** the title and heading 1 and the parent directory link for any anchor.
**
** changed to return TRUE if parent directory link was generated,
** FALSE otherwise - KW
*/
extern BOOL HTDirTitles PARAMS((
HTStructured * target,
HTAnchor * anchor,
BOOL tildeIsTop));
/* Load a document.
** ----------------
*/
extern int HTLoadFile PARAMS((
CONST char * addr,
HTParentAnchor * anchor,
HTFormat format_out,
HTStream * sink));
/*
** Output a directory entry
**
** This is used by HTFTP.c for example -- it is a common routine for
** generating a linked directory entry.
*/
extern void HTDirEntry PARAMS((
HTStructured * target, /* in which to put the linked text */
CONST char * tail, /* last part of directory name */
CONST char * entry)); /* name of this entry */
/*
** HTSetSuffix: Define the representation for a file suffix
**
** This defines a mapping between local file suffixes and file content
** types and encodings.
**
** ON ENTRY,
**
** suffix includes the "." if that is important (normally, yes!)
**
** representation is MIME-style content-type
**
** encoding is MIME-style content-transfer-encoding
** (8bit, 7bit, etc) or HTTP-style content-encoding
** (gzip, compress etc.)
**
** quality an a priori judgement of the quality of such files
** (0.0..1.0)
**
** HTSetSuffix5 has one more parameter for a short description of the type
** which is otherwise derived from the representation:
**
** desc is a short textual description, or NULL
**
** Examples: HTSetSuffix(".ps", "application/postscript", "8bit", 1.0);
** Examples: HTSetSuffix(".psz", "application/postscript", "gzip", 1.0);
** A MIME type could also indicate a non-trivial encoding on its own
** ("application/x-compressed-tar"), but in that case don't use enconding
** to also indicate it but use "binary" etc.
*/
extern void HTSetSuffix5 PARAMS((
CONST char * suffix,
CONST char * representation,
CONST char * encoding,
CONST char * desc,
float quality));
#define HTSetSuffix(suff,rep,enc,q) HTSetSuffix5(suff, rep, enc, NULL, q)
/*
** HTFileFormat: Get Representation and Encoding from file name.
**
** ON EXIT,
**
** return The represntation it imagines the file is in.
**
** *pEncoding The encoding (binary, 7bit, etc). See HTSetSuffix.
*/
extern HTFormat HTFileFormat PARAMS((
CONST char * filename,
HTAtom ** pEncoding,
CONST char ** pDesc));
/*
** HTCharsetFormat: Revise the file format in relation to the Lynx charset.
**
** This checks the format associated with an anchor for
** for an extended MIME Content-Type, and if a charset is
** indicated, sets Lynx up for proper handling in relation
** to the currently selected character set. - FM
*/
extern HTFormat HTCharsetFormat PARAMS((
HTFormat format,
HTParentAnchor * anchor,
int default_LYhndl));
/*
** Determine file value from file name.
*/
extern float HTFileValue PARAMS((
CONST char * filename));
/*
** Determine write access to a file.
**
** ON EXIT,
**
** return value YES if file can be accessed and can be written to.
**
** BUGS
**
** Isn't there a quicker way?
*/
extern BOOL HTEditable PARAMS((CONST char * filename));
/* Make a save stream.
** -------------------
*/
extern HTStream * HTFileSaveStream PARAMS((
HTParentAnchor * anchor));
/*
** Determine a suitable suffix, given the representation.
**
** ON ENTRY,
**
** rep is the atomized MIME style representation
** enc is an encoding (8bit, binary, gzip, compress,..)
**
** ON EXIT,
**
** returns a pointer to a suitable suffix string if one has
** been found, else NULL.
*/
extern CONST char * HTFileSuffix PARAMS((
HTAtom* rep,
CONST char* enc));
/*
** The Protocols
*/
#ifdef GLOBALREF_IS_MACRO
extern GLOBALREF (HTProtocol,HTFTP);
extern GLOBALREF (HTProtocol,HTFile);
#else
GLOBALREF HTProtocol HTFTP, HTFile;
#endif /* GLOBALREF_IS_MACRO */
#endif /* HTFILE_H */
/* end of HTFile */
|
