2 Unix SMB/CIFS implementation.
4 provide access to string functions
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "scripting/ejs/smbcalls.h"
25 #include "lib/ejs/ejs.h"
26 #include "system/passwd.h"
30 var s = strlower("UPPER");
32 static int ejs_strlower(MprVarHandle eid, int argc, char **argv)
36 ejsSetErrorMsg(eid, "strlower invalid arguments");
39 s = strlower_talloc(mprMemCtx(), argv[0]);
40 mpr_Return(eid, mprString(s));
47 var s = strupper("lower");
49 static int ejs_strupper(MprVarHandle eid, int argc, char **argv)
53 ejsSetErrorMsg(eid, "strupper invalid arguments");
56 s = strupper_talloc(mprMemCtx(), argv[0]);
57 mpr_Return(eid, mprString(s));
64 list = split(".", "a.foo.bar");
66 NOTE: does not take a regular expression, unlink perl split()
68 static int ejs_split(MprVarHandle eid, int argc, char **argv)
70 const char *separator;
74 TALLOC_CTX *tmp_ctx = talloc_new(mprMemCtx());
76 ejsSetErrorMsg(eid, "split invalid arguments");
82 ret = mprObject("list");
84 while ((p = strstr(s, separator))) {
85 char *s2 = talloc_strndup(tmp_ctx, s, (int)(p-s));
86 mprAddArray(&ret, count++, mprString(s2));
88 s = p + strlen(separator);
91 mprAddArray(&ret, count++, mprString(s));
101 str = join("DC=", list);
103 static int ejs_join(MprVarHandle eid, int argc, struct MprVar **argv)
106 const char *separator;
109 TALLOC_CTX *tmp_ctx = talloc_new(mprMemCtx());
111 argv[0]->type != MPR_TYPE_STRING ||
112 argv[1]->type != MPR_TYPE_OBJECT) {
113 ejsSetErrorMsg(eid, "join invalid arguments");
117 separator = mprToString(argv[0]);
118 list = mprToArray(tmp_ctx, argv[1]);
120 if (list == NULL || list[0] == NULL) {
121 talloc_free(tmp_ctx);
122 mpr_Return(eid, mprString(NULL));
126 ret = talloc_strdup(tmp_ctx, list[0]);
130 for (i=1;list[i];i++) {
131 ret = talloc_asprintf_append(ret, "%s%s", separator, list[i]);
136 mpr_Return(eid, mprString(ret));
137 talloc_free(tmp_ctx);
140 ejsSetErrorMsg(eid, "out of memory");
146 blergh, C certainly makes this hard!
148 str = sprintf("i=%d s=%7s", 7, "foo");
150 static int ejs_sprintf(MprVarHandle eid, int argc, struct MprVar **argv)
156 char *(*_asprintf_append)(char *, const char *, ...);
158 if (argc < 1 || argv[0]->type != MPR_TYPE_STRING) {
159 ejsSetErrorMsg(eid, "sprintf invalid arguments");
162 format = mprToString(argv[0]);
163 tmp_ctx = talloc_new(mprMemCtx());
164 ret = talloc_strdup(tmp_ctx, "");
166 /* avoid all the format string warnings */
167 _asprintf_append = talloc_asprintf_append;
172 while ((p = strchr(format, '%'))) {
174 int len, len_count=0;
176 ret = talloc_asprintf_append(ret, "%*.*s",
177 (int)(p-format), (int)(p-format),
179 if (ret == NULL) goto failed;
180 format += (int)(p-format);
181 len = strcspn(p+1, "dxuiofgGpXeEFcs%") + 1;
182 fmt2 = talloc_strndup(tmp_ctx, p, len+1);
183 if (fmt2 == NULL) goto failed;
184 len_count = count_chars(fmt2, '*');
185 /* find the type string */
187 while (tstr > fmt2 && isalpha(tstr[-1])) {
190 if (strcmp(tstr, "%") == 0) {
191 ret = talloc_asprintf_append(ret, "%%");
199 argc < a + len_count + 1) {
200 ejsSetErrorMsg(eid, "sprintf: not enough arguments for format");
203 #define FMT_ARG(fn, type) do { \
204 switch (len_count) { \
206 ret = _asprintf_append(ret, fmt2, \
207 (type)fn(argv[a])); \
210 ret = _asprintf_append(ret, fmt2, \
211 (int)mprVarToNumber(argv[a]), \
212 (type)fn(argv[a+1])); \
215 ret = _asprintf_append(ret, fmt2, \
216 (int)mprVarToNumber(argv[a]), \
217 (int)mprVarToNumber(argv[a+1]), \
218 (type)fn(argv[a+2])); \
221 a += len_count + 1; \
227 if (strcmp(tstr, "s")==0) FMT_ARG(mprToString, const char *);
228 else if (strcmp(tstr, "c")==0) FMT_ARG(*mprToString, char);
229 else if (strcmp(tstr, "d")==0) FMT_ARG(mprVarToNumber, int);
230 else if (strcmp(tstr, "ld")==0) FMT_ARG(mprVarToNumber, long);
231 else if (strcmp(tstr, "lld")==0) FMT_ARG(mprVarToNumber, long long);
232 else if (strcmp(tstr, "x")==0) FMT_ARG(mprVarToNumber, int);
233 else if (strcmp(tstr, "lx")==0) FMT_ARG(mprVarToNumber, long);
234 else if (strcmp(tstr, "llx")==0) FMT_ARG(mprVarToNumber, long long);
235 else if (strcmp(tstr, "X")==0) FMT_ARG(mprVarToNumber, int);
236 else if (strcmp(tstr, "lX")==0) FMT_ARG(mprVarToNumber, long);
237 else if (strcmp(tstr, "llX")==0) FMT_ARG(mprVarToNumber, long long);
238 else if (strcmp(tstr, "u")==0) FMT_ARG(mprVarToNumber, int);
239 else if (strcmp(tstr, "lu")==0) FMT_ARG(mprVarToNumber, long);
240 else if (strcmp(tstr, "llu")==0) FMT_ARG(mprVarToNumber, long long);
241 else if (strcmp(tstr, "i")==0) FMT_ARG(mprVarToNumber, int);
242 else if (strcmp(tstr, "li")==0) FMT_ARG(mprVarToNumber, long);
243 else if (strcmp(tstr, "lli")==0) FMT_ARG(mprVarToNumber, long long);
244 else if (strcmp(tstr, "o")==0) FMT_ARG(mprVarToNumber, int);
245 else if (strcmp(tstr, "lo")==0) FMT_ARG(mprVarToNumber, long);
246 else if (strcmp(tstr, "llo")==0) FMT_ARG(mprVarToNumber, long long);
247 else if (strcmp(tstr, "f")==0) FMT_ARG(mprVarToFloat, double);
248 else if (strcmp(tstr, "lf")==0) FMT_ARG(mprVarToFloat, double);
249 else if (strcmp(tstr, "g")==0) FMT_ARG(mprVarToFloat, double);
250 else if (strcmp(tstr, "lg")==0) FMT_ARG(mprVarToFloat, double);
251 else if (strcmp(tstr, "e")==0) FMT_ARG(mprVarToFloat, double);
252 else if (strcmp(tstr, "le")==0) FMT_ARG(mprVarToFloat, double);
253 else if (strcmp(tstr, "E")==0) FMT_ARG(mprVarToFloat, double);
254 else if (strcmp(tstr, "lE")==0) FMT_ARG(mprVarToFloat, double);
255 else if (strcmp(tstr, "F")==0) FMT_ARG(mprVarToFloat, double);
256 else if (strcmp(tstr, "lF")==0) FMT_ARG(mprVarToFloat, double);
258 ejsSetErrorMsg(eid, "sprintf: unknown format string '%s'", fmt2);
264 ret = talloc_asprintf_append(ret, "%s", format);
265 mpr_Return(eid, mprString(ret));
266 talloc_free(tmp_ctx);
270 talloc_free(tmp_ctx);
275 used to build your own print function
276 str = vsprintf(args);
278 static int ejs_vsprintf(MprVarHandle eid, int argc, struct MprVar **argv)
280 struct MprVar **args, *len, *v;
282 if (argc != 1 || argv[0]->type != MPR_TYPE_OBJECT) {
283 ejsSetErrorMsg(eid, "vsprintf invalid arguments");
287 len = mprGetProperty(v, "length", NULL);
289 ejsSetErrorMsg(eid, "vsprintf takes an array");
292 length = mprToInt(len);
293 args = talloc_array(mprMemCtx(), struct MprVar *, length);
298 for (i=0;i<length;i++) {
300 mprItoa(i, idx, sizeof(idx));
301 args[i] = mprGetProperty(v, idx, NULL);
304 ret = ejs_sprintf(eid, length, args);
310 setup C functions that be called from ejs
312 void smb_setup_ejs_string(void)
314 ejsDefineStringCFunction(-1, "strlower", ejs_strlower, NULL, MPR_VAR_SCRIPT_HANDLE);
315 ejsDefineStringCFunction(-1, "strupper", ejs_strupper, NULL, MPR_VAR_SCRIPT_HANDLE);
316 ejsDefineStringCFunction(-1, "split", ejs_split, NULL, MPR_VAR_SCRIPT_HANDLE);
317 ejsDefineCFunction(-1, "join", ejs_join, NULL, MPR_VAR_SCRIPT_HANDLE);
318 ejsDefineCFunction(-1, "sprintf", ejs_sprintf, NULL, MPR_VAR_SCRIPT_HANDLE);
319 ejsDefineCFunction(-1, "vsprintf", ejs_vsprintf, NULL, MPR_VAR_SCRIPT_HANDLE);