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Annotation of libwww/Library/src/HTAlert.c, revision 2.17

1.1       timbl       1: /*     Displaying messages and getting input for LineMode Browser
                      2: **     ==========================================================
                      3: **
                      4: **     REPLACE THIS MODULE with a GUI version in a GUI environment!
                      5: **
                      6: ** History:
                      7: **        Jun 92 Created May 1992 By C.T. Barker
                      8: **        Feb 93 Simplified, portablised TBL
2.8       luotonen    9: **        Sep 93 Corrected 3 bugs in HTConfirm() :-( AL
1.1       timbl      10: */
                     11: 
                     12: #include "HTAlert.h"
                     13: 
2.16      frystyk    14: PUBLIC BOOL HTInteractive=YES;             /* Any prompts from the Library? */
1.1       timbl      15: 
                     16: PUBLIC void HTAlert ARGS1(CONST char *, Msg)
                     17: {
2.6       timbl      18: #ifdef NeXTStep
                     19:     NXRunAlertPanel(NULL, "%s", NULL, NULL, NULL, Msg);
                     20: #else
1.1       timbl      21:     fprintf(stderr, "WWW Alert:  %s\n", Msg);
2.6       timbl      22: #endif
1.1       timbl      23: }
                     24: 
                     25: 
                     26: PUBLIC void HTProgress ARGS1(CONST char *, Msg)
                     27: {
                     28:     fprintf(stderr, "   %s ...\n", Msg);
                     29: }
                     30: 
                     31: 
                     32: PUBLIC BOOL HTConfirm ARGS1(CONST char *, Msg)
                     33: {
2.8       luotonen   34:   char Reply[4];       /* One more for terminating NULL -- AL */
1.1       timbl      35:   char *URep;
                     36:   
2.16      frystyk    37:   fprintf(stderr, "WWW: %s (y/n) ", Msg);         /* (y/n) came twice -- AL */
                     38:   if (!HTInteractive || !fgets(Reply, 4, stdin))   /* get reply, max 3 chars */
2.14      frystyk    39:       return NO;
1.1       timbl      40:   URep=Reply;
2.8       luotonen   41:   while (*URep) {
2.9       luotonen   42:     if (*URep == '\n') {
2.10      luotonen   43:        *URep = (char)0;        /* Overwrite newline */
2.9       luotonen   44:        break;
                     45:     }
2.8       luotonen   46:     *URep=TOUPPER(*URep);
                     47:     URep++;    /* This was previously embedded in the TOUPPER */
                     48:                 /* call an it became evaluated twice because   */
                     49:                 /* TOUPPER is a macro -- AL */
                     50:   }
                     51: 
1.1       timbl      52:   if ((strcmp(Reply,"YES")==0) || (strcmp(Reply,"Y")==0))
                     53:     return(YES);
                     54:   else
                     55:     return(NO);
                     56: }
                     57: 
                     58: /*     Prompt for answer and get text back
                     59: */
                     60: PUBLIC char * HTPrompt ARGS2(CONST char *, Msg, CONST char *, deflt)
                     61: {
                     62:     char Tmp[200];
                     63:     char * rep = 0;
                     64:     fprintf(stderr, "WWW: %s", Msg);
2.8       luotonen   65:     if (deflt) fprintf(stderr, " (RETURN for [%s]) ", deflt);
2.16      frystyk    66:     if (!HTInteractive || !fgets(Tmp, 200, stdin))
2.17    ! frystyk    67:        return NULL;                         /* NULL string on error, Henrik */
        !            68:     Tmp[strlen(Tmp)-1] = (char) 0;                     /* Overwrite newline */
1.1       timbl      69:    
                     70:     StrAllocCopy(rep, *Tmp ? Tmp : deflt);
                     71:     return rep;
                     72: }
2.8       luotonen   73: 
                     74: 
                     75: /*     Prompt for password without echoing the reply
                     76: */
                     77: PUBLIC char * HTPromptPassword ARGS1(CONST char *, Msg)
                     78: {
                     79:     char *result = NULL;
2.16      frystyk    80:     char *pw;
2.13      luotonen   81: 
2.16      frystyk    82:     if (!HTInteractive)
                     83:        return "";
                     84:     pw = (char *) getpass(Msg ? Msg : "Password: ");
2.8       luotonen   85:     StrAllocCopy(result, pw);
                     86:     return result;
2.11      luotonen   87: }
                     88: 
                     89: 
                     90: /*     Prompt both username and password       HTPromptUsernameAndPassword()
                     91: **     ---------------------------------
                     92: ** On entry,
                     93: **     Msg             is the prompting message.
                     94: **     *username and
                     95: **     *password       are char pointers; they are changed
                     96: **                     to point to result strings.
                     97: **
                     98: **                     If *username is not NULL, it is taken
                     99: **                     to point to  a default value.
                    100: **                     Initial value of *password is
                    101: **                     completely discarded.
                    102: **
                    103: ** On exit,
                    104: **     *username and *password point to newly allocated
                    105: **     strings -- original strings pointed to by them
                    106: **     are NOT freed.
                    107: **     
                    108: */
                    109: PUBLIC void HTPromptUsernameAndPassword ARGS3(CONST char *,    Msg,
                    110:                                              char **,          username,
                    111:                                              char **,          password)
                    112: {
2.16      frystyk   113:     if (!HTInteractive) {
                    114:        *username = "";
                    115:        *password = "";
                    116:        return;
                    117:     }
2.11      luotonen  118:     if (Msg)
                    119:        fprintf(stderr, "WWW: %s\n", Msg);
                    120:     *username = HTPrompt("Username: ", *username);
                    121:     *password = HTPromptPassword("Password: ");
2.8       luotonen  122: }
                    123: