dte test coverage

Directory: ./
File: src/vars.c
Date: 2025-07-03 15:44:24
Exec Total Coverage
Lines: 40 59 67.8%
Functions: 16 16 100.0%
Branches: 15 36 41.7%
Line Branch Exec Source
1 #include <stddef.h>
2 #include <string.h>
3 #include <unistd.h>
4 #include "vars.h"
5 #include "editor.h"
6 #include "selection.h"
7 #include "util/array.h"
8 #include "util/bsearch.h"
9 #include "util/numtostr.h"
10 #include "util/path.h"
11 #include "util/str-util.h"
12 #include "util/xmalloc.h"
13 #include "view.h"
14
15 typedef struct {
16 char name[12];
17 char *(*expand)(const EditorState *e);
18 } BuiltinVar;
19
20 1 static char *expand_dte_home(const EditorState *e)
21 {
22 1 return xstrdup(e->user_config_dir);
23 }
24
25 1 static char *expand_file(const EditorState *e)
26 {
27
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 1 if (!e->buffer || !e->buffer->abs_filename) {
28 return NULL;
29 }
30 ✗ return xstrdup(e->buffer->abs_filename);
31 }
32
33 1 static char *expand_file_dir(const EditorState *e)
34 {
35
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 1 if (!e->buffer || !e->buffer->abs_filename) {
36 return NULL;
37 }
38 ✗ return path_dirname(e->buffer->abs_filename);
39 }
40
41 2 static char *expand_rfile(const EditorState *e)
42 {
43
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 2 if (!e->buffer || !e->buffer->abs_filename) {
44 return NULL;
45 }
46 ✗ char buf[8192];
47 ✗ const char *cwd = getcwd(buf, sizeof buf);
48 ✗ const char *abs = e->buffer->abs_filename;
49 ✗ return likely(cwd) ? path_relative(abs, cwd) : xstrdup(abs);
50 }
51
52 1 static char *expand_rfiledir(const EditorState *e)
53 {
54 1 char *rfile = expand_rfile(e);
55
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 1 if (!rfile) {
56 return NULL;
57 }
58
59 ✗ StringView dir = path_slice_dirname(rfile);
60 ✗ if (rfile != (char*)dir.data) {
61 // rfile contains no directory part (i.e. no slashes), so there's
62 // nothing to "slice" and we simply return "." instead
63 ✗ free(rfile);
64 ✗ return xstrdup(".");
65 }
66
67 // Overwrite the last slash in rfile with a null terminator, so as
68 // to remove the last path component (the filename)
69 ✗ rfile[dir.length] = '\0';
70 ✗ return rfile;
71 }
72
73 1 static char *expand_filetype(const EditorState *e)
74 {
75
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 1 return e->buffer ? xstrdup(e->buffer->options.filetype) : NULL;
76 }
77
78 1 static char *expand_colno(const EditorState *e)
79 {
80
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 1 return e->view ? xstrdup(umax_to_str(e->view->cx_display + 1)) : NULL;
81 }
82
83 1 static char *expand_lineno(const EditorState *e)
84 {
85
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 1 return e->view ? xstrdup(umax_to_str(e->view->cy + 1)) : NULL;
86 }
87
88 4 static char *msgpos(const EditorState *e, size_t idx)
89 {
90 4 return xstrdup(umax_to_str(e->messages[idx].pos + 1));
91 }
92
93 2 static char *expand_msgpos_a(const EditorState *e) {return msgpos(e, 0);}
94 1 static char *expand_msgpos_b(const EditorState *e) {return msgpos(e, 1);}
95 1 static char *expand_msgpos_c(const EditorState *e) {return msgpos(e, 2);}
96
97 4 static char *expand_word(const EditorState *e)
98 {
99 4 const View *view = e->view;
100
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 4 if (unlikely(!view)) {
101 return NULL;
102 }
103
104
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 3 if (view->selection) {
105 ✗ SelectionInfo info = init_selection(view);
106 ✗ size_t len = info.eo - info.so;
107 ✗ if (unlikely(len == 0)) {
108 return NULL;
109 }
110 ✗ char *selection = block_iter_get_bytes(&info.si, len);
111 ✗ BUG_ON(!selection);
112 ✗ selection[len] = '\0'; // See comment in block_iter_get_bytes()
113 ✗ return selection;
114 }
115
116 3 StringView word = view_get_word_under_cursor(view);
117
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 3 return word.length ? xstrcut(word.data, word.length) : NULL;
118 }
119
120 static const BuiltinVar normal_vars[] = {
121 {"COLNO", expand_colno},
122 {"DTE_HOME", expand_dte_home},
123 {"FILE", expand_file},
124 {"FILEDIR", expand_file_dir},
125 {"FILETYPE", expand_filetype},
126 {"LINENO", expand_lineno},
127 {"MSGPOS", expand_msgpos_a},
128 {"MSGPOS_A", expand_msgpos_a},
129 {"MSGPOS_B", expand_msgpos_b},
130 {"MSGPOS_C", expand_msgpos_c},
131 {"RFILE", expand_rfile},
132 {"RFILEDIR", expand_rfiledir},
133 {"WORD", expand_word},
134 };
135
136 24 UNITTEST {
137 24 CHECK_BSEARCH_ARRAY(normal_vars, name);
138 24 }
139
140 24 char *expand_normal_var(const EditorState *e, const char *name)
141 {
142 24 const BuiltinVar *var = BSEARCH(name, normal_vars, vstrcmp);
143
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 24 if (var) {
144 16 return var->expand(e);
145 }
146 8 const char *str = xgetenv(name);
147
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 8 return str ? xstrdup(str) : NULL;
148 }
149
150 1 void collect_normal_vars(PointerArray *a, const char *prefix)
151 {
152 1 COLLECT_STRING_FIELDS(normal_vars, name, a, prefix);
153 1 }
154