static int NextLinkPos(int line, int nr)
{
char* linetxt;
int linkcntr = 0;
linetxt = GetHelpLine(line);
while (*linetxt)
{
if (IsHlpReference(linetxt))
{
if (linkcntr++ == nr)
return linkcntr;
else
linetxt = PassHlpReferencePart(linetxt);
}
else if (IsFullLine(linetxt))
linetxt = PassHlpFullLinePart(linetxt);
else if (IsHlpAsciiChar(linetxt))
linetxt = PassHlpAsciiChar(linetxt);
else if (IsCenterOnLine(linetxt))
linetxt = PassCenterOnLinePart(linetxt);
else
linetxt = PassNextHelpPart(linetxt);
}
return 0;
}
static int GetLinkIndex(struct LinkPosition* pos)
{
int linkcntr=0;
char* linetxt = GetHelpLine(pos->line);
while (*linetxt)
{
if (IsHlpReference(linetxt))
{
linkcntr++;
if (linkcntr == pos->nr)
return GetHlpLinkIndex(linetxt);
else
linetxt = PassHlpReferencePart(linetxt);
}
else if (IsFullLine(linetxt))
linetxt = PassHlpFullLinePart(linetxt);
else if (IsHlpAsciiChar(linetxt))
linetxt = PassHlpAsciiChar(linetxt);
else if (IsCenterOnLine(linetxt))
linetxt = PassCenterOnLinePart(linetxt);
else
linetxt = PassNextHelpPart(linetxt);
}
return -1;
}
static int SeekLinkNr(int line, int charpos)
{
int pos = -1;
int linkcntr = 0;
char* linetxt = GetHelpLine(line);
while (*linetxt && (pos < charpos))
{
if (IsHlpReference(linetxt))
{
char *start, *end;
GetHlpLinkCaption(linetxt, &start, &end);
linkcntr++;
pos += (int)(end - start);
if (pos >= charpos)
return linkcntr;
linetxt = PassHlpReferencePart(linetxt);
}
else if (IsFullLine(linetxt))
linetxt = PassHlpFullLinePart(linetxt);
else if (IsCenterOnLine(linetxt))
linetxt = PassCenterOnLinePart(linetxt);
else if (IsHlpAsciiChar(linetxt))
{
pos++;
linetxt = PassHlpAsciiChar(linetxt);
}
else
{
char* next = PassNextHelpPart(linetxt);
pos += (int)(next - linetxt);
linetxt = next;
}
}
return 0;
}
static void DrawHelpLineParts(int line, int x, int y, int xlen)
{
int linkcntr = 0;
char* linetxt = GetHelpLine(line);
while (*linetxt)
{
if (IsHlpReference(linetxt))
{
char *start, *end, sentinel;
GetHlpLinkCaption(linetxt, &start, &end);
sentinel = *end;
*end = 0;
linkcntr++;
if ((line == CurrentLink.line) &&
(CurrentLink.nr == linkcntr))
DrawText(x, y, start, HILINKFORCOLOR, HILINKBACKCOLOR);
else
DrawText(x, y, start, LOLINKFORCOLOR, LOLINKBACKCOLOR);
x += strlen(start);
*end = sentinel;
linetxt = PassHlpReferencePart(linetxt);
}
else if (IsFullLine(linetxt))
{
DrawSequence(x, y, xlen-1, 'Ä',
DIALOGFORCOLOR, DIALOGBACKCOLOR);
linetxt = PassHlpFullLinePart(linetxt);
}
else if (IsHlpAsciiChar(linetxt))
{
DrawSequence(x, y, 1, GetHlpAsciiChar(linetxt),
DIALOGFORCOLOR, DIALOGBACKCOLOR);
linetxt = PassHlpAsciiChar(linetxt);
x++;
}
else if (IsCenterOnLine(linetxt))
{
int centerx;
char *begin, *end, sentinel;
GetHlpTextToCenter(linetxt, &begin, &end);
centerx = x + ((xlen / 2) - ((int)(end - begin) / 2));
sentinel = *end;
*end = 0;
if (centerx > x)
DrawText(centerx, y, begin, DIALOGFORCOLOR, DIALOGBACKCOLOR);
else
DrawText(x, y, begin, DIALOGFORCOLOR, DIALOGBACKCOLOR);
*end = sentinel;
linetxt = PassCenterOnLinePart(linetxt);
}
else
{
char* next = PassNextHelpPart(linetxt);
char sentinel = *next;
*next = 0;
DrawText(x, y, linetxt, DIALOGFORCOLOR, DIALOGBACKCOLOR);
x += strlen(linetxt);
*next = sentinel;
linetxt = next;
}
}
}
main(int argc, char *argv[])
{
char *cp;
int HelpCount = 0;
long where;
if (argc < 2)
return -1;
Argv = argv;
if ((helpfp = OpenHelpFile(argv[1], "r+b")) == NULL)
return -1;
*hline = '\0';
while (*hline != '<') {
if (GetHelpLine(hline) == NULL) {
fclose(helpfp);
return -1;
}
}
while (*hline == '<') {
if (strncmp(hline, "<end>", 5) == 0)
break;
/* -------- parse the help window's text name ----- */
if ((cp = strchr(hline, '>')) != NULL) {
ThisHelp = calloc(1, sizeof(struct helps));
if (FirstHelp == NULL)
FirstHelp = ThisHelp;
*cp = '\0';
ThisHelp->hname=malloc(strlen(hline+1)+1);
strcpy(ThisHelp->hname, hline+1);
HelpFilePosition(&ThisHelp->hptr, &ThisHelp->bit);
if (GetHelpLine(hline) == NULL)
break;
/* ------- build the help linked list entry --- */
while (*hline == '[') {
HelpFilePosition(&ThisHelp->hptr,
&ThisHelp->bit);
/* ------ parse a comment ----- */
if (strncmp(hline, "[*]", 3) == 0) {
ThisHelp->comment=malloc(strlen(hline+3)+1);
strcpy(ThisHelp->comment, hline+3);
if (GetHelpLine(hline) == NULL)
break;
continue;
}
/* ---- parse the <<prev button pointer ---- */
if (strncmp(hline, "[<<]", 4) == 0) {
char *cp = strchr(hline+4, '<');
if (cp != NULL) {
char *cp1 = strchr(cp, '>');
if (cp1 != NULL) {
int len = (int) (cp1-cp);
ThisHelp->PrevName=calloc(1,len);
strncpy(ThisHelp->PrevName,
cp+1,len-1);
}
}
if (GetHelpLine(hline) == NULL)
break;
continue;
}
/* ---- parse the next>> button pointer ---- */
else if (strncmp(hline, "[>>]", 4) == 0) {
char *cp = strchr(hline+4, '<');
if (cp != NULL) {
char *cp1 = strchr(cp, '>');
if (cp1 != NULL) {
int len = (int) (cp1-cp);
ThisHelp->NextName=calloc(1,len);
strncpy(ThisHelp->NextName,
cp+1,len-1);
}
}
if (GetHelpLine(hline) == NULL)
break;
continue;
}
else
break;
}
ThisHelp->hheight = 0;
ThisHelp->hwidth = 0;
ThisHelp->NextHelp = NULL;
/* ------ append entry to the linked list ------ */
if (LastHelp != NULL)
LastHelp->NextHelp = ThisHelp;
LastHelp = ThisHelp;
HelpCount++;
}
/* -------- move to the next <helpname> token ------ */
if (GetHelpLine(hline) == NULL)
strcpy(hline, "<end>");
while (*hline != '<') {
ThisHelp->hwidth =
max(ThisHelp->hwidth, HelpLength(hline));
ThisHelp->hheight++;
if (GetHelpLine(hline) == NULL)
strcpy(hline, "<end>");
}
}
/* --- append the help structures to the file --- */
fseek(helpfp, 0L, SEEK_END);
where = ftell(helpfp);
ThisHelp = FirstHelp;
fwrite(&HelpCount, sizeof(int), 1, helpfp);
while (ThisHelp != NULL) {
ThisHelp->nexthlp = FindHelp(ThisHelp->NextName);
ThisHelp->prevhlp = FindHelp(ThisHelp->PrevName);
WriteText(ThisHelp->hname);
WriteText(ThisHelp->comment);
fwrite(&ThisHelp->hptr, sizeof(short)*5+sizeof(long), 1, helpfp);
ThisHelp = ThisHelp->NextHelp;
}
fwrite(&where, sizeof(long), 1, helpfp);
fclose(helpfp);
return 0;
}
