/// <summary>Convert string into a list of words/whitespace with contiguous formatting</summary>
/// <param name="str">string.</param>
/// <returns>List of words/whitespace with contiguous formatting</returns>
PhraseList RichTextRenderer::GetWords(const RichParagraph& para)
{
RichCharList chars;
// Flatten paragraph into list of characters
chars += para.Characters;
// Abort if empty string
if (chars.empty())
return PhraseList();
// Get first char
PhraseList phrases;
phrases += RichPhrase(*chars.front());
// Transform into blocks of contiguous characters
for_each(++chars.begin(), chars.end(), [&](const RichCharacter* ch)
{
RichPhrase& current = phrases.back();
// Create new word on colour/formatting change
if (ch->Colour != current.Colour
|| ch->Format != current.Format)
phrases += RichPhrase(*ch);
// Create new word line-break and word-break
else if (ch->Char == '\n' || iswspace(ch->Char) != iswspace(current.Text.front()))
phrases += RichPhrase(*ch); // TODO: Prevent lines starting with punctuation
else
// Otherwise append to last phrase
current += ch->Char;
});
// return words
return phrases;
}
PhraseList PhraseList::operator |(PhraseList &other) {
return PhraseList(this, &other);
}
PhraseList PhraseList::operator |(const AbstractFieldPhrase &other) {
return PhraseList(this, &other);
}
