Expression ExpressionBuilder::Build(std::string expression) {
TokenList tokens = m_tokenizer(expression);
TokenList postfix = m_converter(tokens);
std::stack<ExpressionNode*> nodeStk;
auto it = postfix.begin();
nodeStk.push(m_nodeBuilder.NewExpressionNode(*it));
while (++it != postfix.end()) {
ExpressionNode* node = m_nodeBuilder.NewExpressionNode(*it);
switch (node->NumChildren()) {
case 0:
nodeStk.push(node);
break;
case 1:
static_cast<OperatorNode*>(node)->SetChild(nodeStk.top());
nodeStk.pop();
nodeStk.push(node);
break;
case 2:
static_cast<OperatorNode*>(node)->SetChild(nodeStk.top(), 1);
nodeStk.pop();
static_cast<OperatorNode*>(node)->SetChild(nodeStk.top(), 0);
nodeStk.pop();
nodeStk.push(node);
break;
}
}
return{ nodeStk.top(), m_nodeBuilder.GetVariableMap() };
}
RTFStatus RTFReader::Paragraph(void)
{
// MW-2012-03-14: [[ RtfParaStyles ]] Build the paragraph style record up
// to apply to the new paragraph.
MCTextParagraph t_para;
memset(&t_para, 0, sizeof(MCTextParagraph));
t_para . text_align = m_state . GetTextAlign();
t_para . border_width = twips_to_pixels(m_state . GetBorderWidth());
t_para . padding = twips_to_pixels(m_state . GetPadding());
t_para . first_indent = twips_to_pixels(m_state . GetFirstIndent());
t_para . left_indent = twips_to_pixels(m_state . GetLeftIndent());
t_para . right_indent = twips_to_pixels(m_state . GetRightIndent());
t_para . space_above = twips_to_pixels(m_state . GetSpaceAbove());
t_para . space_below = twips_to_pixels(m_state . GetSpaceBelow());
t_para . background_color = m_state . GetParagraphBackgroundColor();
t_para . border_color = m_state . GetBorderColor();
t_para . metadata = m_state . GetParagraphMetadata();
if (m_lists . Count() == 0 || m_state . GetListStyle() == kMCTextListStyleSkip)
{
t_para . list_style = m_state . GetListStyle();
t_para . list_depth = m_state . GetListLevel() + 1;
}
else if (m_state . GetListIndex() != 0)
{
int4 t_list_id;
if (m_overrides . Get(m_state . GetListIndex(), t_list_id))
{
uint32_t t_level;
t_level = m_state . GetListLevel();
MCTextListStyle t_style;
if (m_lists . Get(t_list_id, t_level + 1, t_style))
{
t_para . list_style = t_style;
t_para . list_depth = t_level + 1;
}
}
}
m_converter(m_converter_context, &t_para, NULL);
return kRTFStatusSuccess;
}
RTFStatus RTFReader::Flush(bool p_force)
{
RTFStatus t_status;
t_status = kRTFStatusSuccess;
if (!m_attributes_changed && !p_force)
return t_status;
MCTextBlock t_block;
bool t_changed;
t_changed = false;
if (m_attributes_changed)
{
t_block . foreground_color = m_state . GetForegroundColor();
t_block . background_color = m_state . GetBackgroundColor();
t_block . font_name = m_state . GetFontName();
if (m_state . GetFontSize() != 0)
t_block . font_size = half_points_to_pixels(m_state . GetFontSize());
else
t_block . font_size = 0;
t_block . font_style = FA_DEFAULT_STYLE;
if ((m_state . GetFontStyle() & kRTFFontStyleItalic) != 0)
t_block . font_style |= FA_ITALIC;
if ((m_state . GetFontStyle() & kRTFFontStyleBold) != 0)
t_block . font_style |= FA_BOLD;
if ((m_state . GetFontStyle() & kRTFFontStyleUnderline) != 0)
t_block . font_style |= FA_UNDERLINE;
if ((m_state . GetFontStyle() & kRTFFontStyleStrikethrough) != 0)
t_block . font_style |= FA_STRIKEOUT;
if ((m_state . GetFontStyle() & kRTFFontStyleLink) != 0)
t_block . font_style |= FA_LINK;
if ((m_state . GetFontStyle() & kRTFFontStyleSuperscript) != 0)
t_block . text_shift = -4;
else if ((m_state . GetFontStyle() & kRTFFontStyleSubscript) != 0)
t_block . text_shift = 4;
else
t_block . text_shift = 0;
if (m_state . GetHyperlink() != kMCEmptyName)
MCNameClone(m_state . GetHyperlink(), t_block . text_link);
else
t_block . text_link = nil;
if (m_state . GetMetadata() != kMCEmptyName)
MCNameClone(m_state . GetMetadata(), t_block . text_metadata);
else
t_block . text_metadata = nil;
t_block . string_native = false;
t_block . string_buffer = NULL;
t_block . string_length = 0;
if (t_block . foreground_color != m_attributes . foreground_color ||
t_block . background_color != m_attributes . background_color ||
t_block . font_size != m_attributes . font_size ||
t_block . font_style != m_attributes . font_style ||
t_block . text_shift != m_attributes . text_shift ||
CStringCompare(t_block . font_name, m_attributes . font_name) != 0 ||
t_block . text_link != m_attributes . text_link ||
t_block . text_metadata != m_attributes . text_metadata)
t_changed = true;
}
const uint2 *t_string_buffer;
uint4 t_string_length;
if (t_status == kRTFStatusSuccess)
t_status = m_text . Borrow(t_string_buffer, t_string_length);
if (t_status == kRTFStatusSuccess && t_string_length > 0 && (t_changed || p_force))
{
if (m_needs_paragraph)
{
m_needs_paragraph = false;
// MW-2012-03-14: [[ RtfParaStyles ]] Use the 'Paragraph()' method to ensure
// paragraph styles get applied.
Paragraph();
}
m_attributes . string_native = false;
m_attributes . string_buffer = t_string_buffer;
m_attributes . string_length = t_string_length / 2;
m_converter(m_converter_context, NULL, &m_attributes);
m_text . Clear();
}
if (t_changed)
{
MCNameDelete(m_attributes . text_metadata);
MCNameDelete(m_attributes . text_link);
memcpy(&m_attributes, &t_block, sizeof(MCTextBlock));
m_attributes_changed = false;
}
return t_status;
}
result_type operator()() const { return m_converter(); }
