Annotation of libwww/Library/src/HTAlert.c, revision 2.24
2.18 frystyk 1: /* HTAlert.c
2: ** DISPLAYING MESSAGES AND GETTING INPUT FOR LINEMODE BROWSER
3: **
2.23 frystyk 4: ** (c) COPYRIGHT MIT 1995.
2.18 frystyk 5: ** Please first read the full copyright statement in the file COPYRIGH.
1.1 timbl 6: **
7: ** REPLACE THIS MODULE with a GUI version in a GUI environment!
8: **
9: ** History:
10: ** Jun 92 Created May 1992 By C.T. Barker
11: ** Feb 93 Simplified, portablised TBL
2.8 luotonen 12: ** Sep 93 Corrected 3 bugs in HTConfirm() :-( AL
1.1 timbl 13: */
14:
2.20 frystyk 15: /* Library include files */
16: #include "tcp.h"
17: #include "HTUtils.h"
18: #include "HTString.h"
2.21 frystyk 19: #include "HTError.h" /* Implemented here */
20: #include "HTAlert.h" /* Implemented here */
1.1 timbl 21:
2.16 frystyk 22: PUBLIC BOOL HTInteractive=YES; /* Any prompts from the Library? */
1.1 timbl 23:
2.21 frystyk 24: /* ------------------------------------------------------------------------- */
25:
26: PUBLIC void HTProgress ARGS1(CONST char *, Msg)
27: {
28: fprintf(TDEST, " %s ...\n", Msg ? Msg : "UNKNWON");
29: }
30:
31:
1.1 timbl 32: PUBLIC void HTAlert ARGS1(CONST char *, Msg)
33: {
2.20 frystyk 34: #ifdef NeXTStep
2.6 timbl 35: NXRunAlertPanel(NULL, "%s", NULL, NULL, NULL, Msg);
36: #else
2.21 frystyk 37: fprintf(TDEST, "\nWARNING: %s\n", Msg ? Msg : "UNKNOWN");
2.6 timbl 38: #endif
1.1 timbl 39: }
40:
41: PUBLIC BOOL HTConfirm ARGS1(CONST char *, Msg)
42: {
2.8 luotonen 43: char Reply[4]; /* One more for terminating NULL -- AL */
1.1 timbl 44: char *URep;
45:
2.21 frystyk 46: fprintf(TDEST, "%s (y/n) ", Msg ? Msg : "UNKNOWN");
2.20 frystyk 47: #ifndef NO_STDIO
2.16 frystyk 48: if (!HTInteractive || !fgets(Reply, 4, stdin)) /* get reply, max 3 chars */
2.20 frystyk 49: #endif
2.14 frystyk 50: return NO;
1.1 timbl 51: URep=Reply;
2.8 luotonen 52: while (*URep) {
2.9 luotonen 53: if (*URep == '\n') {
2.10 luotonen 54: *URep = (char)0; /* Overwrite newline */
2.9 luotonen 55: break;
56: }
2.8 luotonen 57: *URep=TOUPPER(*URep);
58: URep++; /* This was previously embedded in the TOUPPER */
59: /* call an it became evaluated twice because */
60: /* TOUPPER is a macro -- AL */
61: }
62:
1.1 timbl 63: if ((strcmp(Reply,"YES")==0) || (strcmp(Reply,"Y")==0))
64: return(YES);
65: else
66: return(NO);
67: }
68:
2.20 frystyk 69: /* Prompt for answer and get text back. Reply text is either NULL on
70: ** error or a dynamic string which the caller must free.
1.1 timbl 71: */
72: PUBLIC char * HTPrompt ARGS2(CONST char *, Msg, CONST char *, deflt)
73: {
2.20 frystyk 74: char buffer[200];
75: char *reply = NULL;
2.24 ! frystyk 76: fprintf(TDEST, "%s ", Msg ? Msg : "UNKNOWN");
2.20 frystyk 77: if (deflt)
2.24 ! frystyk 78: fprintf(TDEST, "(RETURN for [%s]) ", deflt);
2.20 frystyk 79:
80: if (HTInteractive) {
81: #ifndef NO_STDIO
82: if (!fgets(buffer, 200, stdin))
83: return NULL; /* NULL string on error, Henrik */
84: buffer[strlen(buffer)-1] = '\0'; /* Overwrite newline */
2.24 ! frystyk 85: if (*buffer)
! 86: StrAllocCopy(reply, buffer);
! 87: else if (deflt)
! 88: StrAllocCopy(reply, deflt);
2.20 frystyk 89: #endif
90: }
91: return reply;
1.1 timbl 92: }
2.8 luotonen 93:
94:
2.20 frystyk 95: /* Prompt for password without echoing the reply. Reply text is
96: ** either NULL on error or a dynamic string which the caller must free.
2.8 luotonen 97: */
98: PUBLIC char * HTPromptPassword ARGS1(CONST char *, Msg)
99: {
2.20 frystyk 100: char *reply = NULL;
101: if (HTInteractive) {
102: #ifndef NO_PASSWD
103: char *pw = (char *) getpass(Msg ? Msg : "Password: ");
104: if (pw)
105: StrAllocCopy(reply, pw);
2.19 roeber 106: #endif
2.20 frystyk 107: }
108: return reply;
2.11 luotonen 109: }
110:
111:
112: /* Prompt both username and password HTPromptUsernameAndPassword()
113: ** ---------------------------------
114: ** On entry,
115: ** Msg is the prompting message.
116: ** *username and
117: ** *password are char pointers; they are changed
118: ** to point to result strings.
119: **
120: ** If *username is not NULL, it is taken
121: ** to point to a default value.
122: ** Initial value of *password is
123: ** completely discarded.
124: **
125: ** On exit,
126: ** *username and *password point to newly allocated
127: ** strings -- original strings pointed to by them
128: ** are NOT freed.
129: **
130: */
131: PUBLIC void HTPromptUsernameAndPassword ARGS3(CONST char *, Msg,
132: char **, username,
133: char **, password)
134: {
2.21 frystyk 135: fprintf(TDEST, "%s\n", Msg ? Msg : "UNKNOWN");
2.24 ! frystyk 136: *username = HTPrompt("Username:", *username);
2.11 luotonen 137: *password = HTPromptPassword("Password: ");
2.8 luotonen 138: }
139:
2.21 frystyk 140:
141: /* HTErrorMsg
142: **
143: ** Default function that creates an error message using HTAlert() to
144: ** put out the contents of the error_stack messages. Furthermore, the
145: ** error_info structure contains a name of a help file that might be put
146: ** up as a link. This file can then be multi-linguistic.
147: **
148: ** This function might be overwritten by a smart server or client.
149: */
150: PUBLIC void HTErrorMsg ARGS1(HTRequest *, request)
151: {
152: HTList *cur = request->error_stack;
153: BOOL highest = YES;
154: HTChunk *chunk;
155: HTErrorInfo *pres;
156: if (!request) {
157: if (TRACE) fprintf(TDEST, "HTErrorMsg.. Bad argument!\n");
158: return;
159: }
160:
161: /* This check is only necessary if the error message is put down the
162: stream, because we have to know if a stream has been put up and/or
163: taken down again. Here it is only put as an example */
164: #if 0
165: if (request->error_block) {
166: if (TRACE) fprintf(TDEST, "HTErrorMsg.. No messages are printed as no stream is available.\n");
167: return;
168: }
169: #endif
170:
171: /* Output messages */
172: chunk = HTChunkCreate(128);
173: while ((pres = (HTErrorInfo *) HTList_nextObject(cur))) {
174:
175: /* Check if we are going to show the message */
176: if ((!pres->ignore || HTErrorShowMask & HT_ERR_SHOW_IGNORE) &&
177: (HTErrorShowMask & pres->severity)) {
178:
179: /* Output code number */
180: if (highest) { /* If first time through */
181: if (TRACE)
182: fprintf(TDEST,
183: "HTError..... Generating message.\n");
184:
185: /* Output title */
186: if (pres->severity == ERR_WARN)
187: HTChunkPuts(chunk, "Warning ");
188: else if (pres->severity == ERR_NON_FATAL)
189: HTChunkPuts(chunk, "Non Fatal Error ");
190: else if (pres->severity == ERR_FATAL)
191: HTChunkPuts(chunk, "Fatal Error ");
192: else if (pres->severity == ERR_INFO)
193: HTChunkPuts(chunk, "Information ");
194: else {
195: if (TRACE)
196: fprintf(TDEST, "HTError..... Unknown Classification of Error (%d)...\n", pres->severity);
197: HTChunkFree(chunk);
198: return;
199: }
200:
201: /* Only output error code if it is a real HTTP code */
202: if (pres->element < HTERR_HTTP_CODES_END) {
203: char codestr[10];
204: sprintf(codestr, "%d ", error_info[pres->element].code);
205: HTChunkPuts(chunk, codestr);
206: }
207: highest = NO;
208: } else
209: HTChunkPuts(chunk, "\nReason: ");
210:
211: /* Output error message */
212: if (pres->element != HTERR_SYSTEM) {
213: HTChunkPuts(chunk, error_info[pres->element].msg);
214: HTChunkPutc(chunk, ' ');
215: }
216:
217: /* Output parameters */
218: if (pres->par && HTErrorShowMask & HT_ERR_SHOW_PARS) {
219: unsigned int cnt;
220: char ch;
2.22 frystyk 221: HTChunkPutc(chunk, '(');
2.21 frystyk 222: for (cnt=0; cnt<pres->par_length; cnt++) {
223: ch = *((char *)(pres->par)+cnt);
224: if (ch < 0x20 || ch >= 0x7F)
225: HTChunkPutc(chunk, '#'); /* Can't print real content */
226: else
227: HTChunkPutc(chunk, ch);
228: }
2.22 frystyk 229: HTChunkPutc(chunk, ')');
2.21 frystyk 230: }
231:
232: /* Output location */
233: if (pres->where && HTErrorShowMask & HT_ERR_SHOW_LOCATION) {
234: HTChunkPuts(chunk, "This occured in ");
235: HTChunkPuts(chunk, pres->where);
236: HTChunkPutc(chunk, '\n');
237: }
238:
239: /* We don't want the message more than once */
240: HTErrorIgnore(request, pres->handle);
241:
242: /* If we only are going to show the higest entry */
243: if (HTErrorShowMask & HT_ERR_SHOW_FIRST)
244: break;
245: }
246: }
247: HTChunkPutc(chunk, '\n');
248: HTChunkTerminate(chunk);
249: if (chunk->size > 2)
250: HTAlert(chunk->data);
251: HTChunkFree(chunk);
252: return;
253: }
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