Annotation of libwww/Library/src/HTAlert.c, revision 2.34
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 */
2.29 frystyk 16: #include "WWWLib.h"
2.21 frystyk 17: #include "HTError.h" /* Implemented here */
18: #include "HTAlert.h" /* Implemented here */
1.1 timbl 19:
2.28 frystyk 20: typedef struct _HTProgMsg {
21: HTProgressState state;
22: char * msg;
23: } HTProgMsg;
24:
2.25 frystyk 25: PRIVATE BOOL HTInteractive=YES; /* Any prompts from the Library? */
1.1 timbl 26:
2.21 frystyk 27: /* ------------------------------------------------------------------------- */
2.25 frystyk 28:
2.26 frystyk 29: PUBLIC void HTPrompt_setInteractive ARGS1(BOOL, interactive)
2.25 frystyk 30: {
31: HTInteractive = interactive;
32: }
33:
2.26 frystyk 34: PUBLIC BOOL HTPrompt_interactive NOARGS
2.25 frystyk 35: {
36: return HTInteractive;
37: }
2.21 frystyk 38:
2.28 frystyk 39: PUBLIC void HTProgress ARGS3(HTRequest *, request, HTProgressState, state,
40: void *, param)
2.21 frystyk 41: {
2.28 frystyk 42: /* This is just to avoid that we get a lot of progress messages in LMB */
2.33 frystyk 43: if (!(WWWTRACE)) return;
2.28 frystyk 44:
2.29 frystyk 45: if (!request) {
2.33 frystyk 46: if (WWWTRACE)
2.28 frystyk 47: fprintf(TDEST, "HTProgress.. Bad argument\n");
48: return;
49: }
50: switch (state) {
51: case HT_PROG_DNS:
52: fprintf(TDEST, "Looking up %s\n", (char *) param);
53: break;
54:
55: case HT_PROG_CONNECT:
56: fprintf(TDEST, "Contacting host...\n");
57: break;
58:
2.31 frystyk 59: case HT_PROG_ACCEPT:
60: fprintf(TDEST, "Waiting for connection...\n");
61: break;
62:
2.28 frystyk 63: case HT_PROG_READ:
64: {
2.29 frystyk 65: long cl = HTAnchor_length(HTRequest_anchor(request));
2.28 frystyk 66: if (cl > 0) {
2.29 frystyk 67: long b_read = HTRequest_bytesRead(request);
2.28 frystyk 68: double pro = (double) b_read/cl*100;
69: char buf[10];
2.32 frystyk 70: HTNumToStr((unsigned long) cl, buf, 10);
2.28 frystyk 71: fprintf(TDEST, "Read (%d%% of %s)\n", (int) pro, buf);
72: } else
73: fprintf(TDEST, "Reading...\n");
74: }
75: break;
76:
77: case HT_PROG_WRITE:
78: fprintf(TDEST, "Writing...\n");
79: break;
80:
81: case HT_PROG_DONE:
82: fprintf(TDEST, "Finished\n");
83: break;
84:
2.30 frystyk 85: case HT_PROG_WAIT:
86: fprintf(TDEST, "Waiting for free socket...\n");
87: break;
88:
2.28 frystyk 89: default:
90: fprintf(TDEST, "UNKNOWN PROGRESS STATE\n");
91: break;
92: }
2.21 frystyk 93: }
94:
95:
2.27 frystyk 96: PUBLIC void HTAlert ARGS2(HTRequest *, request, CONST char *, Msg)
1.1 timbl 97: {
2.20 frystyk 98: #ifdef NeXTStep
2.6 timbl 99: NXRunAlertPanel(NULL, "%s", NULL, NULL, NULL, Msg);
100: #else
2.21 frystyk 101: fprintf(TDEST, "\nWARNING: %s\n", Msg ? Msg : "UNKNOWN");
2.6 timbl 102: #endif
1.1 timbl 103: }
104:
2.27 frystyk 105: PUBLIC BOOL HTConfirm ARGS2(HTRequest *, request, CONST char *, Msg)
1.1 timbl 106: {
2.8 luotonen 107: char Reply[4]; /* One more for terminating NULL -- AL */
1.1 timbl 108: char *URep;
109:
2.21 frystyk 110: fprintf(TDEST, "%s (y/n) ", Msg ? Msg : "UNKNOWN");
2.20 frystyk 111: #ifndef NO_STDIO
2.16 frystyk 112: if (!HTInteractive || !fgets(Reply, 4, stdin)) /* get reply, max 3 chars */
2.20 frystyk 113: #endif
2.14 frystyk 114: return NO;
1.1 timbl 115: URep=Reply;
2.8 luotonen 116: while (*URep) {
2.9 luotonen 117: if (*URep == '\n') {
2.10 luotonen 118: *URep = (char)0; /* Overwrite newline */
2.9 luotonen 119: break;
120: }
2.8 luotonen 121: *URep=TOUPPER(*URep);
122: URep++; /* This was previously embedded in the TOUPPER */
123: /* call an it became evaluated twice because */
124: /* TOUPPER is a macro -- AL */
125: }
126:
1.1 timbl 127: if ((strcmp(Reply,"YES")==0) || (strcmp(Reply,"Y")==0))
128: return(YES);
129: else
130: return(NO);
131: }
132:
2.20 frystyk 133: /* Prompt for answer and get text back. Reply text is either NULL on
134: ** error or a dynamic string which the caller must free.
1.1 timbl 135: */
2.27 frystyk 136: PUBLIC char * HTPrompt ARGS3(HTRequest *, request, CONST char *, Msg,
137: CONST char *, deflt)
1.1 timbl 138: {
2.20 frystyk 139: char buffer[200];
140: char *reply = NULL;
2.24 frystyk 141: fprintf(TDEST, "%s ", Msg ? Msg : "UNKNOWN");
2.20 frystyk 142: if (deflt)
2.24 frystyk 143: fprintf(TDEST, "(RETURN for [%s]) ", deflt);
2.20 frystyk 144:
145: if (HTInteractive) {
146: #ifndef NO_STDIO
147: if (!fgets(buffer, 200, stdin))
148: return NULL; /* NULL string on error, Henrik */
149: buffer[strlen(buffer)-1] = '\0'; /* Overwrite newline */
2.24 frystyk 150: if (*buffer)
151: StrAllocCopy(reply, buffer);
152: else if (deflt)
153: StrAllocCopy(reply, deflt);
2.20 frystyk 154: #endif
155: }
156: return reply;
1.1 timbl 157: }
2.8 luotonen 158:
159:
2.20 frystyk 160: /* Prompt for password without echoing the reply. Reply text is
161: ** either NULL on error or a dynamic string which the caller must free.
2.8 luotonen 162: */
2.27 frystyk 163: PUBLIC char * HTPromptPassword ARGS2(HTRequest *, request, CONST char *, Msg)
2.8 luotonen 164: {
2.20 frystyk 165: char *reply = NULL;
166: if (HTInteractive) {
167: #ifndef NO_PASSWD
168: char *pw = (char *) getpass(Msg ? Msg : "Password: ");
169: if (pw)
170: StrAllocCopy(reply, pw);
2.19 roeber 171: #endif
2.20 frystyk 172: }
173: return reply;
2.11 luotonen 174: }
175:
176:
177: /* Prompt both username and password HTPromptUsernameAndPassword()
178: ** ---------------------------------
179: ** On entry,
180: ** Msg is the prompting message.
181: ** *username and
182: ** *password are char pointers; they are changed
183: ** to point to result strings.
184: **
185: ** If *username is not NULL, it is taken
186: ** to point to a default value.
187: ** Initial value of *password is
188: ** completely discarded.
189: **
190: ** On exit,
191: ** *username and *password point to newly allocated
192: ** strings -- original strings pointed to by them
193: ** are NOT freed.
194: **
195: */
2.27 frystyk 196: PUBLIC void HTPromptUsernameAndPassword ARGS4(HTRequest *, request,
197: CONST char *, Msg,
2.11 luotonen 198: char **, username,
199: char **, password)
200: {
2.21 frystyk 201: fprintf(TDEST, "%s\n", Msg ? Msg : "UNKNOWN");
2.27 frystyk 202: *username = HTPrompt(request, "Username:", *username);
203: *password = HTPromptPassword(request, "Password: ");
2.8 luotonen 204: }
205:
2.21 frystyk 206:
207: /* HTErrorMsg
208: **
209: ** Default function that creates an error message using HTAlert() to
210: ** put out the contents of the error_stack messages. Furthermore, the
211: ** error_info structure contains a name of a help file that might be put
212: ** up as a link. This file can then be multi-linguistic.
213: **
214: ** This function might be overwritten by a smart server or client.
215: */
216: PUBLIC void HTErrorMsg ARGS1(HTRequest *, request)
217: {
2.29 frystyk 218: HTList *cur = HTRequest_errorStack(request);
2.21 frystyk 219: BOOL highest = YES;
220: HTChunk *chunk;
221: HTErrorInfo *pres;
222:
223: /* Output messages */
224: chunk = HTChunkCreate(128);
225: while ((pres = (HTErrorInfo *) HTList_nextObject(cur))) {
226:
227: /* Check if we are going to show the message */
228: if ((!pres->ignore || HTErrorShowMask & HT_ERR_SHOW_IGNORE) &&
229: (HTErrorShowMask & pres->severity)) {
230:
231: /* Output code number */
232: if (highest) { /* If first time through */
2.33 frystyk 233: if (WWWTRACE)
2.21 frystyk 234: fprintf(TDEST,
235: "HTError..... Generating message.\n");
236:
237: /* Output title */
238: if (pres->severity == ERR_WARN)
239: HTChunkPuts(chunk, "Warning ");
240: else if (pres->severity == ERR_NON_FATAL)
241: HTChunkPuts(chunk, "Non Fatal Error ");
242: else if (pres->severity == ERR_FATAL)
243: HTChunkPuts(chunk, "Fatal Error ");
244: else if (pres->severity == ERR_INFO)
245: HTChunkPuts(chunk, "Information ");
246: else {
2.33 frystyk 247: if (WWWTRACE)
2.21 frystyk 248: fprintf(TDEST, "HTError..... Unknown Classification of Error (%d)...\n", pres->severity);
249: HTChunkFree(chunk);
250: return;
251: }
252:
253: /* Only output error code if it is a real HTTP code */
254: if (pres->element < HTERR_HTTP_CODES_END) {
255: char codestr[10];
256: sprintf(codestr, "%d ", error_info[pres->element].code);
257: HTChunkPuts(chunk, codestr);
258: }
259: highest = NO;
260: } else
261: HTChunkPuts(chunk, "\nReason: ");
262:
263: /* Output error message */
264: if (pres->element != HTERR_SYSTEM) {
265: HTChunkPuts(chunk, error_info[pres->element].msg);
266: HTChunkPutc(chunk, ' ');
267: }
268:
269: /* Output parameters */
270: if (pres->par && HTErrorShowMask & HT_ERR_SHOW_PARS) {
271: unsigned int cnt;
272: char ch;
2.22 frystyk 273: HTChunkPutc(chunk, '(');
2.21 frystyk 274: for (cnt=0; cnt<pres->par_length; cnt++) {
275: ch = *((char *)(pres->par)+cnt);
276: if (ch < 0x20 || ch >= 0x7F)
277: HTChunkPutc(chunk, '#'); /* Can't print real content */
278: else
279: HTChunkPutc(chunk, ch);
280: }
2.22 frystyk 281: HTChunkPutc(chunk, ')');
2.21 frystyk 282: }
283:
284: /* Output location */
285: if (pres->where && HTErrorShowMask & HT_ERR_SHOW_LOCATION) {
286: HTChunkPuts(chunk, "This occured in ");
287: HTChunkPuts(chunk, pres->where);
288: HTChunkPutc(chunk, '\n');
289: }
290:
291: /* We don't want the message more than once */
292: HTErrorIgnore(request, pres->handle);
293:
294: /* If we only are going to show the higest entry */
295: if (HTErrorShowMask & HT_ERR_SHOW_FIRST)
296: break;
297: }
298: }
2.34 ! frystyk 299: if (HTChunkSize(chunk)) {
! 300: HTChunkPutc(chunk, '\n');
2.27 frystyk 301: HTAlert(request, HTChunkData(chunk));
2.34 ! frystyk 302: }
2.21 frystyk 303: HTChunkFree(chunk);
304: return;
305: }
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