source: readconfig.c @ 10b866d

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 10b866d was 6794f72, checked in by James M. Kretchmar <kretch@mit.edu>, 19 years ago
Refixed 'login or login' typo in help Fixed M-u description Removed 'first' and 'last' from basic command help Added M-N to basic key help Added M-D, M-u to basic key help Fixed a quoting problem in configure.in Changed top of help to use 'show' instead of M-x
  • Property mode set to 100644
File size: 5.7 KB
Line 
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <sys/types.h>
5#include <sys/stat.h>
6#include <errno.h>
7#include "owl.h"
8#include <perl.h>
9
10static const char fileIdent[] = "$Id$";
11
12
13
14EXTERN_C void boot_owl (pTHX_ CV* cv);
15
16static void owl_perl_xs_init(pTHX) {
17  char *file = __FILE__;
18  dXSUB_SYS;
19  {
20    newXS("owl::bootstrap", boot_owl, file);
21  }
22}
23
24
25int owl_readconfig(char *file) {
26  int ret;
27  PerlInterpreter *p;
28  char *codebuff, filename[1024];
29  char *embedding[5];
30  struct stat statbuff;
31
32  if (file==NULL) {
33    sprintf(filename, "%s/%s", getenv("HOME"), ".owlconf");
34  } else {
35    strcpy(filename, file);
36  }
37  embedding[0]="";
38  embedding[1]=filename;
39  embedding[2]=0;
40
41  /* create and initialize interpreter */
42  p=perl_alloc();
43  owl_global_set_perlinterp(&g, (void*)p);
44  perl_construct(p);
45
46  owl_global_set_no_have_config(&g);
47
48  ret=stat(filename, &statbuff);
49  if (ret) {
50    return(0);
51  }
52
53  ret=perl_parse(p, owl_perl_xs_init, 2, embedding, NULL);
54  if (ret) return(-1);
55
56  ret=perl_run(p);
57  if (ret) return(-1);
58
59  owl_global_set_have_config(&g);
60
61  /* create variables */
62  perl_get_sv("owl::id", TRUE);
63  perl_get_sv("owl::class", TRUE);
64  perl_get_sv("owl::instance", TRUE);
65  perl_get_sv("owl::recipient", TRUE);
66  perl_get_sv("owl::sender", TRUE);
67  perl_get_sv("owl::realm", TRUE);
68  perl_get_sv("owl::opcode", TRUE);
69  perl_get_sv("owl::zsig", TRUE);
70  perl_get_sv("owl::msg", TRUE);
71  perl_get_sv("owl::time", TRUE);
72  perl_get_sv("owl::host", TRUE);
73  perl_get_av("owl::fields", TRUE);
74 
75  /* perl bootstrapping code */
76  codebuff = 
77    "                                             \n"
78    "package owl;                                 \n"
79    "                                             \n"
80    "bootstrap owl 0.01;                          \n"
81    "                                             \n"
82    "package main;                                \n";
83
84  perl_eval_pv(codebuff, FALSE);
85
86
87  /* check if we have the formatting function */
88  if (perl_get_cv("owl::format_msg", FALSE)) {
89    owl_global_set_config_format(&g, 1);
90  }
91  return(0);
92}
93
94
95/* caller is responsible for freeing returned string */
96char *owl_config_execute(char *line) {
97  STRLEN len;
98  SV *response;
99  char *out, *preout;
100
101  if (!owl_global_have_config(&g)) return NULL;
102
103  /* execute the subroutine */
104  response = perl_eval_pv(line, FALSE);
105
106  preout=SvPV(response, len);
107  /* leave enough space in case we have to add a newline */
108  out = owl_malloc(strlen(preout)+2);
109  strncpy(out, preout, len);
110  out[len] = '\0';
111  if (!strlen(out) || out[strlen(out)-1]!='\n') {
112    strcat(out, "\n");
113  }
114
115  return(out);
116}
117
118char *owl_config_getmsg(owl_message *m, int mode) {
119  /* if mode==1 we are doing message formatting.  The returned
120   * formatted message needs to be freed by the caller.
121   *
122   * if mode==0 we are just doing the message-has-been-received
123   * thing.
124  */
125
126  int i, j, len;
127  char *ptr, *ptr2;
128  ZNotice_t *n;
129
130  if (!owl_global_have_config(&g)) return("");
131
132  /* set owl::msg */
133  n=owl_message_get_notice(m);
134  ptr=owl_zephyr_get_message(n, &len);
135  ptr2=owl_malloc(len+20);
136  memcpy(ptr2, ptr, len);
137  ptr2[len]='\0';
138  if (ptr2[len-1]!='\n') {
139    strcat(ptr2, "\n");
140  }
141  sv_setpv(perl_get_sv("owl::msg", TRUE), ptr2);
142  owl_free(ptr2);
143
144  /* set owl::zsig */
145  ptr=owl_zephyr_get_zsig(n, &len);
146  if (len>0) {
147    ptr2=owl_malloc(len+20);
148    memcpy(ptr2, ptr, len);
149    ptr2[len]='\0';
150    if (ptr2[len-1]=='\n') {  /* do we really need this? */
151      ptr2[len-1]='\0';
152    }
153    sv_setpv(perl_get_sv("owl::zsig", TRUE), ptr2);
154    owl_free(ptr2);
155  } else {
156    sv_setpv(perl_get_sv("owl::zsig", TRUE), "");
157  }
158
159  /* set owl::type */
160  if (owl_message_is_zephyr(m)) {
161    sv_setpv(perl_get_sv("owl::type", TRUE), "zephyr");
162  } else if (owl_message_is_admin(m)) {
163    sv_setpv(perl_get_sv("owl::type", TRUE), "admin");
164  } else {
165    sv_setpv(perl_get_sv("owl::type", TRUE), "unknown");
166  }
167
168  /* set everything else */
169  sv_setpv(perl_get_sv("owl::class", TRUE), owl_message_get_class(m));
170  sv_setpv(perl_get_sv("owl::instance", TRUE), owl_message_get_instance(m));
171  sv_setpv(perl_get_sv("owl::sender", TRUE), owl_message_get_sender(m));
172  sv_setpv(perl_get_sv("owl::realm", TRUE), owl_message_get_realm(m));
173  sv_setpv(perl_get_sv("owl::recipient", TRUE), owl_message_get_recipient(m));
174  sv_setpv(perl_get_sv("owl::opcode", TRUE), owl_message_get_opcode(m));
175  sv_setpv(perl_get_sv("owl::time", TRUE), owl_message_get_timestr(m));
176  sv_setpv(perl_get_sv("owl::host", TRUE), owl_message_get_hostname(m));
177  sv_setiv(perl_get_sv("owl::id", TRUE), owl_message_get_id(m));
178
179  /* free old @fields ? */
180  /* I don't think I need to do this, but ask marc to make sure */
181  /*
182  j=av_len(perl_get_av("fields", TRUE));
183  for (i=0; i<j; i++) {
184    tmpsv=av_pop(perl_get_av("fields", TRUE));
185    SvREFCNT_dec(tmpsv);
186  }
187  */
188
189  /* set owl::fields */
190  av_clear(perl_get_av("owl::fields", TRUE));
191  j=owl_zephyr_get_num_fields(n);
192  for (i=0; i<j; i++) {
193    ptr=owl_zephyr_get_field(n, i+1, &len);
194    ptr2=owl_malloc(len+10);
195    memcpy(ptr2, ptr, len);
196    ptr2[len]='\0';
197    av_push(perl_get_av("owl::fields", TRUE), newSVpvn(ptr2, len));
198    owl_free(ptr2);
199  }
200
201  /* for backwards compatibilty, because I'm an idiot */
202  av_clear(perl_get_av("fields", TRUE));
203  j=owl_zephyr_get_num_fields(n);
204  for (i=0; i<j; i++) {
205    ptr=owl_zephyr_get_field(n, i+1, &len);
206    ptr2=owl_malloc(len+10);
207    memcpy(ptr2, ptr, len);
208    ptr2[len]='\0';
209    av_push(perl_get_av("fields", TRUE), newSVpvn(ptr2, len));
210    owl_free(ptr2);
211  }
212
213  /* run the procedure corresponding to the mode */
214  if (mode==1) {
215    return(owl_config_execute("owl::format_msg();"));
216  } else {
217    ptr=owl_config_execute("owl::receive_msg();");
218    if (ptr) owl_free(ptr);
219    return(NULL);
220  }
221}
222
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