Annotation of libwww/Library/src/HTAlert.c, revision 2.25
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:
2.25 ! frystyk 22: PRIVATE BOOL HTInteractive=YES; /* Any prompts from the Library? */
1.1 timbl 23:
2.21 frystyk 24: /* ------------------------------------------------------------------------- */
2.25 ! frystyk 25:
! 26: PUBLIC void HTPrompt_setInterative ARGS1(BOOL, interative)
! 27: {
! 28: HTInteractive = interactive;
! 29: }
! 30:
! 31: PUBLIC void HTPrompt_interative NOARGS
! 32: {
! 33: return HTInteractive;
! 34: }
2.21 frystyk 35:
36: PUBLIC void HTProgress ARGS1(CONST char *, Msg)
37: {
38: fprintf(TDEST, " %s ...\n", Msg ? Msg : "UNKNWON");
39: }
40:
41:
1.1 timbl 42: PUBLIC void HTAlert ARGS1(CONST char *, Msg)
43: {
2.20 frystyk 44: #ifdef NeXTStep
2.6 timbl 45: NXRunAlertPanel(NULL, "%s", NULL, NULL, NULL, Msg);
46: #else
2.21 frystyk 47: fprintf(TDEST, "\nWARNING: %s\n", Msg ? Msg : "UNKNOWN");
2.6 timbl 48: #endif
1.1 timbl 49: }
50:
51: PUBLIC BOOL HTConfirm ARGS1(CONST char *, Msg)
52: {
2.8 luotonen 53: char Reply[4]; /* One more for terminating NULL -- AL */
1.1 timbl 54: char *URep;
55:
2.21 frystyk 56: fprintf(TDEST, "%s (y/n) ", Msg ? Msg : "UNKNOWN");
2.20 frystyk 57: #ifndef NO_STDIO
2.16 frystyk 58: if (!HTInteractive || !fgets(Reply, 4, stdin)) /* get reply, max 3 chars */
2.20 frystyk 59: #endif
2.14 frystyk 60: return NO;
1.1 timbl 61: URep=Reply;
2.8 luotonen 62: while (*URep) {
2.9 luotonen 63: if (*URep == '\n') {
2.10 luotonen 64: *URep = (char)0; /* Overwrite newline */
2.9 luotonen 65: break;
66: }
2.8 luotonen 67: *URep=TOUPPER(*URep);
68: URep++; /* This was previously embedded in the TOUPPER */
69: /* call an it became evaluated twice because */
70: /* TOUPPER is a macro -- AL */
71: }
72:
1.1 timbl 73: if ((strcmp(Reply,"YES")==0) || (strcmp(Reply,"Y")==0))
74: return(YES);
75: else
76: return(NO);
77: }
78:
2.20 frystyk 79: /* Prompt for answer and get text back. Reply text is either NULL on
80: ** error or a dynamic string which the caller must free.
1.1 timbl 81: */
82: PUBLIC char * HTPrompt ARGS2(CONST char *, Msg, CONST char *, deflt)
83: {
2.20 frystyk 84: char buffer[200];
85: char *reply = NULL;
2.24 frystyk 86: fprintf(TDEST, "%s ", Msg ? Msg : "UNKNOWN");
2.20 frystyk 87: if (deflt)
2.24 frystyk 88: fprintf(TDEST, "(RETURN for [%s]) ", deflt);
2.20 frystyk 89:
90: if (HTInteractive) {
91: #ifndef NO_STDIO
92: if (!fgets(buffer, 200, stdin))
93: return NULL; /* NULL string on error, Henrik */
94: buffer[strlen(buffer)-1] = '\0'; /* Overwrite newline */
2.24 frystyk 95: if (*buffer)
96: StrAllocCopy(reply, buffer);
97: else if (deflt)
98: StrAllocCopy(reply, deflt);
2.20 frystyk 99: #endif
100: }
101: return reply;
1.1 timbl 102: }
2.8 luotonen 103:
104:
2.20 frystyk 105: /* Prompt for password without echoing the reply. Reply text is
106: ** either NULL on error or a dynamic string which the caller must free.
2.8 luotonen 107: */
108: PUBLIC char * HTPromptPassword ARGS1(CONST char *, Msg)
109: {
2.20 frystyk 110: char *reply = NULL;
111: if (HTInteractive) {
112: #ifndef NO_PASSWD
113: char *pw = (char *) getpass(Msg ? Msg : "Password: ");
114: if (pw)
115: StrAllocCopy(reply, pw);
2.19 roeber 116: #endif
2.20 frystyk 117: }
118: return reply;
2.11 luotonen 119: }
120:
121:
122: /* Prompt both username and password HTPromptUsernameAndPassword()
123: ** ---------------------------------
124: ** On entry,
125: ** Msg is the prompting message.
126: ** *username and
127: ** *password are char pointers; they are changed
128: ** to point to result strings.
129: **
130: ** If *username is not NULL, it is taken
131: ** to point to a default value.
132: ** Initial value of *password is
133: ** completely discarded.
134: **
135: ** On exit,
136: ** *username and *password point to newly allocated
137: ** strings -- original strings pointed to by them
138: ** are NOT freed.
139: **
140: */
141: PUBLIC void HTPromptUsernameAndPassword ARGS3(CONST char *, Msg,
142: char **, username,
143: char **, password)
144: {
2.21 frystyk 145: fprintf(TDEST, "%s\n", Msg ? Msg : "UNKNOWN");
2.24 frystyk 146: *username = HTPrompt("Username:", *username);
2.11 luotonen 147: *password = HTPromptPassword("Password: ");
2.8 luotonen 148: }
149:
2.21 frystyk 150:
151: /* HTErrorMsg
152: **
153: ** Default function that creates an error message using HTAlert() to
154: ** put out the contents of the error_stack messages. Furthermore, the
155: ** error_info structure contains a name of a help file that might be put
156: ** up as a link. This file can then be multi-linguistic.
157: **
158: ** This function might be overwritten by a smart server or client.
159: */
160: PUBLIC void HTErrorMsg ARGS1(HTRequest *, request)
161: {
162: HTList *cur = request->error_stack;
163: BOOL highest = YES;
164: HTChunk *chunk;
165: HTErrorInfo *pres;
166: if (!request) {
167: if (TRACE) fprintf(TDEST, "HTErrorMsg.. Bad argument!\n");
168: return;
169: }
170:
171: /* This check is only necessary if the error message is put down the
172: stream, because we have to know if a stream has been put up and/or
173: taken down again. Here it is only put as an example */
174: #if 0
175: if (request->error_block) {
176: if (TRACE) fprintf(TDEST, "HTErrorMsg.. No messages are printed as no stream is available.\n");
177: return;
178: }
179: #endif
180:
181: /* Output messages */
182: chunk = HTChunkCreate(128);
183: while ((pres = (HTErrorInfo *) HTList_nextObject(cur))) {
184:
185: /* Check if we are going to show the message */
186: if ((!pres->ignore || HTErrorShowMask & HT_ERR_SHOW_IGNORE) &&
187: (HTErrorShowMask & pres->severity)) {
188:
189: /* Output code number */
190: if (highest) { /* If first time through */
191: if (TRACE)
192: fprintf(TDEST,
193: "HTError..... Generating message.\n");
194:
195: /* Output title */
196: if (pres->severity == ERR_WARN)
197: HTChunkPuts(chunk, "Warning ");
198: else if (pres->severity == ERR_NON_FATAL)
199: HTChunkPuts(chunk, "Non Fatal Error ");
200: else if (pres->severity == ERR_FATAL)
201: HTChunkPuts(chunk, "Fatal Error ");
202: else if (pres->severity == ERR_INFO)
203: HTChunkPuts(chunk, "Information ");
204: else {
205: if (TRACE)
206: fprintf(TDEST, "HTError..... Unknown Classification of Error (%d)...\n", pres->severity);
207: HTChunkFree(chunk);
208: return;
209: }
210:
211: /* Only output error code if it is a real HTTP code */
212: if (pres->element < HTERR_HTTP_CODES_END) {
213: char codestr[10];
214: sprintf(codestr, "%d ", error_info[pres->element].code);
215: HTChunkPuts(chunk, codestr);
216: }
217: highest = NO;
218: } else
219: HTChunkPuts(chunk, "\nReason: ");
220:
221: /* Output error message */
222: if (pres->element != HTERR_SYSTEM) {
223: HTChunkPuts(chunk, error_info[pres->element].msg);
224: HTChunkPutc(chunk, ' ');
225: }
226:
227: /* Output parameters */
228: if (pres->par && HTErrorShowMask & HT_ERR_SHOW_PARS) {
229: unsigned int cnt;
230: char ch;
2.22 frystyk 231: HTChunkPutc(chunk, '(');
2.21 frystyk 232: for (cnt=0; cnt<pres->par_length; cnt++) {
233: ch = *((char *)(pres->par)+cnt);
234: if (ch < 0x20 || ch >= 0x7F)
235: HTChunkPutc(chunk, '#'); /* Can't print real content */
236: else
237: HTChunkPutc(chunk, ch);
238: }
2.22 frystyk 239: HTChunkPutc(chunk, ')');
2.21 frystyk 240: }
241:
242: /* Output location */
243: if (pres->where && HTErrorShowMask & HT_ERR_SHOW_LOCATION) {
244: HTChunkPuts(chunk, "This occured in ");
245: HTChunkPuts(chunk, pres->where);
246: HTChunkPutc(chunk, '\n');
247: }
248:
249: /* We don't want the message more than once */
250: HTErrorIgnore(request, pres->handle);
251:
252: /* If we only are going to show the higest entry */
253: if (HTErrorShowMask & HT_ERR_SHOW_FIRST)
254: break;
255: }
256: }
257: HTChunkPutc(chunk, '\n');
258: HTChunkTerminate(chunk);
259: if (chunk->size > 2)
260: HTAlert(chunk->data);
261: HTChunkFree(chunk);
262: return;
263: }
Webmaster
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to HTAlert.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Public] / libwww / Library / src