1 /*===========================================================================
2 Copyright (c) 1998-2000, The Santa Cruz Operation
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
7
8 *Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10
11 *Redistributions in binary form must reproduce the above copyright notice,
12 this list of conditions and the following disclaimer in the documentation
13 and/or other materials provided with the distribution.
14
15 *Neither name of The Santa Cruz Operation nor the names of its contributors
16 may be used to endorse or promote products derived from this software
17 without specific prior written permission.
18
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
20 IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
23 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 INTERRUPTION)
27 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
30 DAMAGE.
31 =========================================================================*/
32
33 /*
34 * file editing functions
35 *
36 * cscope - interactive C symbol cross-reference
37 */
38
39 #include "global-cscope.h"
40 #if defined(USE_NCURSES) && !defined(RENAMED_NCURSES)
41 #include <ncurses.h>
42 #else
43 #include <curses.h>
44 #endif
45 #include "path.h"
46 #include "encodepath.h"
47
48 /** edit this displayed reference */
49
50 void
editref(int i)51 editref(int i)
52 {
53 char file[PATHLEN + 1]; /* file name */
54 char linenum[NUMLEN + 1]; /* line number */
55
56 /* verify that there is a references found file */
57 if (refsfound == NULL) {
58 return;
59 }
60 /* get the selected line */
61 seekline(i + topline);
62
63 /* get the file name and line number */
64 if (fscanf(refsfound, "%" PATHLEN_STR "s%*s%" NUMLEN_STR "s", file, linenum) == 2) {
65 edit(decode_path(file), linenum); /* edit it */
66 }
67 seekline(topline); /* restore the line pointer */
68 }
69
70 /** edit all references */
71
72 void
editall(void)73 editall(void)
74 {
75 char file[PATHLEN + 1]; /* file name */
76 char linenum[NUMLEN + 1]; /* line number */
77 int c;
78
79 /* verify that there is a references found file */
80 if (refsfound == NULL) {
81 return;
82 }
83 /* get the first line */
84 seekline(1);
85
86 /* get each file name and line number */
87 while (fscanf(refsfound, "%" PATHLEN_STR "s%*s%" NUMLEN_STR "s%*[^\n]", file, linenum) == 2) {
88 edit(decode_path(file), linenum); /* edit it */
89 if (editallprompt == YES) {
90 addstr("Type ^D to stop editing all lines, or any other character to continue: ");
91 if ((c = mygetch()) == EOF || c == ctrl('D') || c == ctrl('Z')) {
92 break;
93 }
94 }
95 }
96 seekline(topline);
97 }
98
99 /** call the editor */
100
101 void
edit(char * file,char * linenum)102 edit(char *file, char *linenum)
103 {
104 char msg[MSGLEN + 1]; /* message */
105 char plusnum[NUMLEN + 20]; /* line number option: allow space for wordy line# flag */
106 char *s;
107
108 file = filepath(file);
109 (void) snprintf(msg, sizeof(msg), "%s +%s %s", mybasename(editor), linenum, file);
110 postmsg(msg);
111 (void) snprintf(plusnum, sizeof(plusnum), lineflag, linenum);
112 /* if this is the more or page commands */
113 if (strcmp(s = mybasename(editor), "more") == 0 || strcmp(s, "page") == 0) {
114
115 /* get it to pause after displaying a file smaller than the screen
116 length */
117 (void) execute(editor, editor, plusnum, file, NULL_DEVICE, NULL);
118 }
119 else if (lineflagafterfile) {
120 (void) execute(editor, editor, file, plusnum, NULL);
121 }
122 else {
123 (void) execute(editor, editor, plusnum, file, NULL);
124 }
125 clear(); /* redisplay screen */
126 }
127
128 /** if requested, prepend a path to a relative file name */
129
130 char *
filepath(char * file)131 filepath(char *file)
132 {
133 static char path[PATHLEN + 1];
134
135 if (prependpath != NULL && *file != '/') {
136 (void) snprintf(path, sizeof(path), "%s/%s", prependpath, file);
137 file = path;
138 }
139 return(file);
140 }
141