void XRefDefs::Matches(const char* s, XMatchResult* r, bool all) {
const int32 n = fDefs.CountItems();
const char* end = s + strlen(s);
MatchResult match;
do {
// match that starts at lowest position
const char* start1 = end;
XRefDef* def1 = NULL;
Pattern* pat1 = NULL;
int32 len1 = 0;
for (int32 i = 0; i < n; i ++) {
const char* start; int32 len;
XRefDef* def = fDefs.ItemAt(i);
Pattern* pat = def->Matches(s, &start, &len);
if (pat && start <= start1) {
if (start == start1 && len <= len1) continue;
start1 = start; len1 = len; pat1 = pat; def1 = def;
}
}
if (def1) {
bool found = pat1->Matches(start1, &match);
bool cont;
ASSERT(found); (void)found;
if (pat1->IsLink()) {
cont = r->MatchLink(def1, &match);
} else {
cont = r->MatchDest(def1, &match);
}
if (!cont) break;
// update for next iteration
s = start1 + len1;
} else {
if (all) {
do {
s ++;
} while (!BEGINS_CHAR(*s));
} else {
break;
}
}
} while (*s);
}
bool LocalLink::MatchLink(XRefDef* def, MatchResult* result) {
if (result->CountResults() >= 2) {
BString label;
result->GetString(1, &label);
if (fDests->Find(def, label.String(), &fDestPage, &fDestBounds)) {
result->Start(1);
fContainsLink = true;
fStartPos = result->Start(1) - fUtf8->String();
const char* p = result->Start(1) + result->Length(1);
do {
p --;
} while (!BEGINS_CHAR(*p));
fEndPos = p - fUtf8->String();
return false;
} else {
REPORT(kWarning, fLinkPage, "Destination for link '%s' not found!", label.String());
}
}
return true;
}
NetListItem::NetListItem(event_type type, const char* text, const BFont* font, uint32 level, bool expanded)
: BListItem(level, expanded)
{
font_height height;
font->GetHeight(&height);
fFontAscent = height.ascent;
fLineHeight = static_cast<int>(height.ascent + height.descent + height.leading);
fText = static_cast<char*>(malloc(strlen(text) + 1));
strcpy(fText, text);
fLineInfo.count = 1;
fLineInfo.lines = (line_info*)malloc(sizeof(line_info));
fLineInfo.lines[0].numChars = 0;
fLineInfo.lines[0].numWrapPoints = 0;
fLineInfo.lines[0].byteNum = (int32*)malloc(sizeof(int32));
fLineInfo.lines[0].byteNum[0] = 0;
for(int32 byteNum = 0; fText[byteNum] != 0; byteNum++)
{
if(BEGINS_CHAR(fText[byteNum]))
{
fLineInfo.lines[fLineInfo.count - 1].numChars++;
if(WrapChar(fText[byteNum]))
fLineInfo.lines[fLineInfo.count - 1].numWrapPoints++;
if(fText[byteNum] == '\n')
{
// Don't count '\n' as a character
fLineInfo.lines[fLineInfo.count - 1].numChars--;
fLineInfo.count++;
fLineInfo.lines = (line_info*)realloc(fLineInfo.lines, fLineInfo.count * sizeof(line_info));
fLineInfo.lines[fLineInfo.count - 1].numChars = 0;
fLineInfo.lines[fLineInfo.count - 1].numWrapPoints = 0;
fLineInfo.lines[fLineInfo.count - 1].byteNum = (int32*)malloc(sizeof(int32));
fLineInfo.lines[fLineInfo.count - 1].byteNum[0] = byteNum + 1;
}
}
}
// First pass finished, now know how many characters in each line
for(int lineNum = 0; lineNum < fLineInfo.count; lineNum++)
{
fLineInfo.lines[lineNum].cumulativeWidth = (float*)malloc(fLineInfo.lines[lineNum].numChars * sizeof(float));
fLineInfo.lines[lineNum].byteNum = (int32*)realloc(fLineInfo.lines[lineNum].byteNum, fLineInfo.lines[lineNum].numChars * sizeof(int32));
fLineInfo.lines[lineNum].wrapPoints = (int32*)malloc(fLineInfo.lines[lineNum].numWrapPoints * sizeof(int32));
// Get escapements
float* tmpEscapements = new float[fLineInfo.lines[lineNum].numChars];
font->GetEscapements(&fText[fLineInfo.lines[lineNum].byteNum[0]], fLineInfo.lines[lineNum].numChars, tmpEscapements);
// Loop over that line to fill in details
int charNum = -1;
int wrapNum = -1;
float cumulWidth = 0;
for(int byteNum = fLineInfo.lines[lineNum].byteNum[0]; fText[byteNum] != '\n' && fText[byteNum] != 0; byteNum++)
{
if(BEGINS_CHAR(fText[byteNum]))
{
charNum++;
fLineInfo.lines[lineNum].byteNum[charNum] = byteNum;
cumulWidth += tmpEscapements[charNum];
fLineInfo.lines[lineNum].cumulativeWidth[charNum] = cumulWidth;
if(WrapChar(fText[byteNum]))
{
wrapNum++;
fLineInfo.lines[lineNum].wrapPoints[wrapNum] = charNum;
}
}
}
}
fType = type;
}
void NetListItem::CalcWordWrap(const float wrapWidth)
{
int currentLine = 0;
fLineLen[currentLine] = 0;
fStartChar[currentLine] = 0;
for(int lineNum = 0; lineNum < fLineInfo.count; lineNum++)
{
// Set start character
fStartChar[currentLine] = fLineInfo.lines[lineNum].byteNum[0];
int lineChar = 0;
int nextWrap = 0;
float cumWrapWidth = wrapWidth;
if(fLineInfo.lines[lineNum].numChars > 0)
{
while(cumWrapWidth < fLineInfo.lines[lineNum].cumulativeWidth[fLineInfo.lines[lineNum].numChars - 1])
{
bool midWordWrap = false;
if(nextWrap < fLineInfo.lines[lineNum].numWrapPoints)
{
if(cumWrapWidth < fLineInfo.lines[lineNum].cumulativeWidth[fLineInfo.lines[lineNum].wrapPoints[nextWrap]])
midWordWrap = true;
} else {
midWordWrap = true;
}
if(midWordWrap)
{
int wrapChar = lineChar + 1;
while(cumWrapWidth > fLineInfo.lines[lineNum].cumulativeWidth[wrapChar])
wrapChar++;
if(wrapChar > lineChar + 1)
wrapChar--;
// Wrap after wrapChar
fLineLen[currentLine] = fLineInfo.lines[lineNum].byteNum[wrapChar + 1] - fStartChar[currentLine];
lineChar = wrapChar + 1;
cumWrapWidth = fLineInfo.lines[lineNum].cumulativeWidth[lineChar - 1] + wrapWidth;
currentLine++;
fLineLen[currentLine] = 0;
fStartChar[currentLine] = fLineInfo.lines[lineNum].byteNum[lineChar];
} else {
if(nextWrap + 1 < fLineInfo.lines[lineNum].numWrapPoints)
{
while(cumWrapWidth > fLineInfo.lines[lineNum].cumulativeWidth[fLineInfo.lines[lineNum].wrapPoints[nextWrap + 1]])
{
nextWrap++;
if(nextWrap + 1 >= fLineInfo.lines[lineNum].numWrapPoints)
break;
}
}
// Wrap after nextWrap
fLineLen[currentLine] = fLineInfo.lines[lineNum].byteNum[fLineInfo.lines[lineNum].wrapPoints[nextWrap] + 1] - fStartChar[currentLine];
lineChar = fLineInfo.lines[lineNum].wrapPoints[nextWrap] + 1;
cumWrapWidth = fLineInfo.lines[lineNum].cumulativeWidth[lineChar - 1] + wrapWidth;
nextWrap++;
currentLine++;
fLineLen[currentLine] = 0;
fStartChar[currentLine] = fLineInfo.lines[lineNum].byteNum[lineChar];
}
}
// Final wrapped line of this source line
fLineLen[currentLine] = fLineInfo.lines[lineNum].byteNum[fLineInfo.lines[lineNum].numChars - 1] - fStartChar[currentLine] + 1;
while(! BEGINS_CHAR(fText[fStartChar[currentLine] + fLineLen[currentLine]]))
fLineLen[currentLine]++;
currentLine++;
} else {
// No characters in this line
fLineLen[currentLine] = 0;
currentLine++;
}
}
fLineLen[currentLine] = 0;
fStartChar[currentLine] = -1;
SetHeight(fLineHeight * currentLine + 4);
}
