fprintf(debugFP, "%s\n", programVersion);
}
+ set_cont_sequence(appData.wrapContSeq);
if (appData.matchGames > 0) {
appData.matchMode = TRUE;
} else if (appData.matchMode) {
}
}
}
+
+static char cseq[12] = "\\ ";
+
+Boolean set_cont_sequence(char *new_seq)
+{
+ int len;
+ Boolean ret;
+
+ // handle bad attempts to set the sequence
+ if (!new_seq)
+ return 0; // acceptable error - no debug
+
+ len = strlen(new_seq);
+ ret = (len > 0) && (len < sizeof(cseq));
+ if (ret)
+ strcpy(cseq, new_seq);
+ else if (appData.debugMode)
+ fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %d)\n", new_seq, sizeof(cseq)-1);
+ return ret;
+}
+
+/*
+ reformat a source message so words don't cross the width boundary. internal
+ newlines are not removed. returns the wrapped size (no null character unless
+ included in source message). If dest is NULL, only calculate the size required
+ for the dest buffer. lp argument indicats line position upon entry, and it's
+ passed back upon exit.
+*/
+int wrap(char *dest, char *src, int count, int width, int *lp)
+{
+ int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
+
+ cseq_len = strlen(cseq);
+ old_line = line = *lp;
+ ansi = len = clen = 0;
+
+ for (i=0; i < count; i++)
+ {
+ if (src[i] == '\033')
+ ansi = 1;
+
+ // if we hit the width, back up
+ if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
+ {
+ // store i & len in case the word is too long
+ old_i = i, old_len = len;
+
+ // find the end of the last word
+ while (i && src[i] != ' ' && src[i] != '\n')
+ {
+ i--;
+ len--;
+ }
+
+ // word too long? restore i & len before splitting it
+ if ((old_i-i+clen) >= width)
+ {
+ i = old_i;
+ len = old_len;
+ }
+
+ // extra space?
+ if (i && src[i-1] == ' ')
+ len--;
+
+ if (src[i] != ' ' && src[i] != '\n')
+ {
+ i--;
+ if (len)
+ len--;
+ }
+
+ // now append the newline and continuation sequence
+ if (dest)
+ dest[len] = '\n';
+ len++;
+ if (dest)
+ strncpy(dest+len, cseq, cseq_len);
+ len += cseq_len;
+ line = cseq_len;
+ clen = cseq_len;
+ continue;
+ }
+
+ if (dest)
+ dest[len] = src[i];
+ len++;
+ if (!ansi)
+ line++;
+ if (src[i] == '\n')
+ line = 0;
+ if (src[i] == 'm')
+ ansi = 0;
+ }
+ if (dest && appData.debugMode)
+ {
+ fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
+ count, width, line, len, *lp);
+ show_bytes(debugFP, src, count);
+ fprintf(debugFP, "\ndest: ");
+ show_bytes(debugFP, dest, len);
+ fprintf(debugFP, "\n");
+ }
+ *lp = dest ? line : old_line;
+
+ return len;
+}