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|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "xlsx_styles_context.hpp"
#include "impl_utils.hpp"
#include "ooxml_namespace_types.hpp"
#include "ooxml_token_constants.hpp"
#include "xlsx_helper.hpp"
#include "xml_context_global.hpp"
#include <orcus/tokens.hpp>
#include <orcus/measurement.hpp>
#include <orcus/spreadsheet/import_interface_styles.hpp>
#include <mdds/sorted_string_map.hpp>
#include <mdds/global.hpp>
#include <optional>
namespace ss = orcus::spreadsheet;
namespace orcus {
namespace {
namespace border_style {
using map_type = mdds::sorted_string_map<ss::border_style_t, mdds::string_view_map_entry>;
// Keys must be sorted.
constexpr map_type::entry entries[] = {
{ "dashDot", ss::border_style_t::dash_dot },
{ "dashDotDot", ss::border_style_t::dash_dot_dot },
{ "dashed", ss::border_style_t::dashed },
{ "dotted", ss::border_style_t::dotted },
{ "double", ss::border_style_t::double_border },
{ "hair", ss::border_style_t::hair },
{ "medium", ss::border_style_t::medium },
{ "mediumDashDot", ss::border_style_t::medium_dash_dot },
{ "mediumDashDotDot", ss::border_style_t::medium_dash_dot_dot },
{ "mediumDashed", ss::border_style_t::medium_dashed },
{ "none", ss::border_style_t::none },
{ "slantDashDot", ss::border_style_t::slant_dash_dot },
{ "thick", ss::border_style_t::thick },
{ "thin", ss::border_style_t::thin }
};
const map_type& get()
{
static const map_type mt(entries, std::size(entries), ss::border_style_t::none);
return mt;
}
} // border_style namespace
namespace fill_pattern {
using map_type = mdds::sorted_string_map<ss::fill_pattern_t, mdds::string_view_map_entry>;
// Keys must be sorted.
constexpr map_type::entry entries[] = {
{ "darkDown", ss::fill_pattern_t::dark_down },
{ "darkGray", ss::fill_pattern_t::dark_gray },
{ "darkGrid", ss::fill_pattern_t::dark_grid },
{ "darkHorizontal", ss::fill_pattern_t::dark_horizontal },
{ "darkTrellis", ss::fill_pattern_t::dark_trellis },
{ "darkUp", ss::fill_pattern_t::dark_up },
{ "darkVertical", ss::fill_pattern_t::dark_vertical },
{ "gray0625", ss::fill_pattern_t::gray_0625 },
{ "gray125", ss::fill_pattern_t::gray_125 },
{ "lightDown", ss::fill_pattern_t::light_down },
{ "lightGray", ss::fill_pattern_t::light_gray },
{ "lightGrid", ss::fill_pattern_t::light_grid },
{ "lightHorizontal", ss::fill_pattern_t::light_horizontal },
{ "lightTrellis", ss::fill_pattern_t::light_trellis },
{ "lightUp", ss::fill_pattern_t::light_up },
{ "lightVertical", ss::fill_pattern_t::light_vertical },
{ "mediumGray", ss::fill_pattern_t::medium_gray },
{ "none", ss::fill_pattern_t::none },
{ "solid", ss::fill_pattern_t::solid },
};
const map_type& get()
{
static const map_type mt(entries, std::size(entries), ss::fill_pattern_t::none);
return mt;
}
} // fill_pattern namespace
namespace underline {
using map_type = mdds::sorted_string_map<ss::underline_t, mdds::string_view_map_entry>;
// Keys must be sorted.
constexpr map_type::entry entries[] = {
{ "double", ss::underline_t::double_line },
{ "doubleAccounting", ss::underline_t::double_accounting },
{ "none", ss::underline_t::none },
{ "single", ss::underline_t::single_line },
{ "singleAccounting", ss::underline_t::single_accounting },
};
const map_type& get()
{
static const map_type mt(entries, std::size(entries), ss::underline_t::none);
return mt;
}
} // namespace underline
class border_attr_parser
{
ss::border_direction_t m_dir;
ss::iface::import_border_style& m_border_style;
public:
border_attr_parser(ss::border_direction_t dir, ss::iface::import_border_style& style) :
m_dir(dir), m_border_style(style) {}
void operator() (const xml_token_attr_t& attr)
{
switch (attr.name)
{
case XML_style:
{
m_border_style.set_style(m_dir,
border_style::get().find(attr.value.data(), attr.value.size()));
break;
}
}
}
};
std::optional<std::size_t> extract_count(const xml_token_attrs_t& attrs)
{
std::optional<std::size_t> count;
for (const auto& attr : attrs)
{
if (attr.ns)
continue;
switch (attr.name)
{
case XML_count:
{
const char* p_end = nullptr;
long v = to_long(attr.value, &p_end);
if (attr.value.data() < p_end && v >= 0)
count = v;
break;
}
}
}
return count;
}
} // anonymous namespace
xlsx_styles_context::xlsx_styles_context(session_context& session_cxt, const tokens& tokens, ss::iface::import_styles* styles) :
xml_context_base(session_cxt, tokens),
mp_styles(styles),
m_diagonal_up(false), m_diagonal_down(false),
m_cur_border_dir(ss::border_direction_t::unknown)
{
static const xml_element_validator::rule rules[] = {
// parent element -> child element
{ XMLNS_UNKNOWN_ID, XML_UNKNOWN_TOKEN, NS_ooxml_xlsx, XML_styleSheet }, // root element
{ NS_ooxml_xlsx, XML_border, NS_ooxml_xlsx, XML_bottom },
{ NS_ooxml_xlsx, XML_border, NS_ooxml_xlsx, XML_diagonal },
{ NS_ooxml_xlsx, XML_border, NS_ooxml_xlsx, XML_left },
{ NS_ooxml_xlsx, XML_border, NS_ooxml_xlsx, XML_right },
{ NS_ooxml_xlsx, XML_border, NS_ooxml_xlsx, XML_top },
{ NS_ooxml_xlsx, XML_borders, NS_ooxml_xlsx, XML_border },
{ NS_ooxml_xlsx, XML_bottom, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_cellStyleXfs, NS_ooxml_xlsx, XML_xf },
{ NS_ooxml_xlsx, XML_cellStyles, NS_ooxml_xlsx, XML_cellStyle },
{ NS_ooxml_xlsx, XML_cellXfs, NS_ooxml_xlsx, XML_xf },
{ NS_ooxml_xlsx, XML_diagonal, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_dx, NS_ooxml_xlsx, XML_fill },
{ NS_ooxml_xlsx, XML_dxf, NS_ooxml_xlsx, XML_alignment },
{ NS_ooxml_xlsx, XML_dxf, NS_ooxml_xlsx, XML_border },
{ NS_ooxml_xlsx, XML_dxf, NS_ooxml_xlsx, XML_font },
{ NS_ooxml_xlsx, XML_dxf, NS_ooxml_xlsx, XML_numFmt },
{ NS_ooxml_xlsx, XML_dxf, NS_ooxml_xlsx, XML_protection },
{ NS_ooxml_xlsx, XML_end, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_fill, NS_ooxml_xlsx, XML_patternFill },
{ NS_ooxml_xlsx, XML_fills, NS_ooxml_xlsx, XML_fill },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_b },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_family },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_i },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_name },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_scheme },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_sz },
{ NS_ooxml_xlsx, XML_font, NS_ooxml_xlsx, XML_u },
{ NS_ooxml_xlsx, XML_fonts, NS_ooxml_xlsx, XML_font },
{ NS_ooxml_xlsx, XML_horizontal, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_left, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_mruColors, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_numFmts, NS_ooxml_xlsx, XML_numFmt },
{ NS_ooxml_xlsx, XML_patternFill, NS_ooxml_xlsx, XML_bgColor },
{ NS_ooxml_xlsx, XML_patternFill, NS_ooxml_xlsx, XML_fgColor },
{ NS_ooxml_xlsx, XML_right, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_start, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_stop, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_borders },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_cellStyleXfs },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_cellStyles },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_cellXfs },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_dxfs },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_fills },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_fonts },
{ NS_ooxml_xlsx, XML_styleSheet, NS_ooxml_xlsx, XML_numFmts },
{ NS_ooxml_xlsx, XML_top, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_vertical, NS_ooxml_xlsx, XML_color },
{ NS_ooxml_xlsx, XML_xf, NS_ooxml_xlsx, XML_alignment },
{ NS_ooxml_xlsx, XML_xf, NS_ooxml_xlsx, XML_protection },
};
init_element_validator(rules, std::size(rules));
}
xlsx_styles_context::~xlsx_styles_context() = default;
void xlsx_styles_context::start_element(xmlns_id_t ns, xml_token_t name, const xml_token_attrs_t& attrs)
{
xml_token_pair_t parent = push_stack(ns, name);
if (ns == NS_ooxml_xlsx)
{
switch (name)
{
case XML_styleSheet:
{
// root element
if (get_config().debug)
print_attrs(get_tokens(), attrs);
break;
}
case XML_fonts:
{
std::string_view ps = for_each(
attrs.begin(), attrs.end(), single_attr_getter(m_pool, NS_ooxml_xlsx, XML_count)).get_value();
size_t font_count = to_long(ps);
mp_styles->set_font_count(font_count);
m_font_ids.reserve(font_count);
break;
}
case XML_font:
{
mp_font = mp_styles->start_font_style();
ENSURE_INTERFACE(mp_font, import_font_style);
break;
}
case XML_b:
assert(mp_font);
mp_font->set_bold(true);
break;
case XML_i:
assert(mp_font);
mp_font->set_italic(true);
break;
case XML_u:
{
assert(mp_font);
ss::underline_t v = ss::underline_t::single_line; // default value
for (const auto& attr : attrs)
{
switch (name)
{
case XML_val:
v = underline::get().find(attr.value);
break;
}
}
mp_font->set_underline(v);
break;
}
case XML_sz:
{
assert(mp_font);
std::optional<double> font_size;
for (const auto& attr : attrs)
{
switch (attr.name)
{
case XML_val:
{
const char* p_end = nullptr;
double v = to_double(attr.value, &p_end);
if (attr.value.data() < p_end)
font_size = v;
break;
}
}
}
if (font_size)
mp_font->set_size(*font_size);
break;
}
case XML_color:
{
if (parent.first == NS_ooxml_xlsx)
{
switch (parent.second)
{
case XML_top:
case XML_bottom:
case XML_left:
case XML_right:
case XML_diagonal:
// This color is for a border.
start_border_color(attrs);
break;
case XML_font:
start_font_color(attrs);
default:
;
}
}
break;
}
case XML_name:
{
std::string_view ps = for_each(
attrs.begin(), attrs.end(), single_attr_getter(m_pool, NS_ooxml_xlsx, XML_val)).get_value();
mp_font->set_name(ps);
break;
}
case XML_fills:
{
std::string_view ps = for_each(
attrs.begin(), attrs.end(), single_attr_getter(m_pool, NS_ooxml_xlsx, XML_count)).get_value();
size_t fill_count = to_long(ps);
mp_styles->set_fill_count(fill_count);
m_fill_ids.reserve(fill_count);
break;
}
case XML_fill:
{
mp_fill = mp_styles->start_fill_style();
ENSURE_INTERFACE(mp_fill, import_fill_style);
break;
}
case XML_patternFill:
{
std::string_view ps = for_each(
attrs.begin(), attrs.end(), single_attr_getter(m_pool, NS_ooxml_xlsx, XML_patternType)).get_value();
assert(mp_fill);
mp_fill->set_pattern_type(fill_pattern::get().find(ps.data(), ps.size()));
break;
}
case XML_fgColor:
{
assert(mp_fill);
for (const xml_token_attr_t& attr : attrs)
{
switch (attr.name)
{
case XML_rgb:
{
ss::color_elem_t alpha;
ss::color_elem_t red;
ss::color_elem_t green;
ss::color_elem_t blue;
if (!to_rgb(attr.value, alpha, red, green, blue))
// invalid RGB color format.
continue;
mp_fill->set_fg_color(alpha, red, green, blue);
break;
}
case XML_indexed:
break;
default:
if (get_config().debug)
std::cerr << "warning: unknown attribute [ " << get_tokens().get_token_name(attr.name) << " ]" << std::endl;
}
}
break;
}
case XML_bgColor:
{
for (const xml_token_attr_t& attr : attrs)
{
switch (attr.name)
{
case XML_rgb:
{
ss::color_elem_t alpha;
ss::color_elem_t red;
ss::color_elem_t green;
ss::color_elem_t blue;
if (!to_rgb(attr.value, alpha, red, green, blue))
// invalid RGB color format.
continue;
mp_fill->set_bg_color(alpha, red, green, blue);
break;
}
case XML_indexed:
break;
default:
if (get_config().debug)
std::cerr << "warning: unknown attribute [ " << get_tokens().get_token_name(attr.name) << " ]" << std::endl;
}
}
break;
}
case XML_borders:
{
std::string_view ps = for_each(
attrs.begin(), attrs.end(), single_attr_getter(m_pool, NS_ooxml_xlsx, XML_count)).get_value();
size_t border_count = to_long(ps);
mp_styles->set_border_count(border_count);
m_border_ids.reserve(border_count);
break;
}
case XML_border:
{
start_element_border(attrs);
mp_border = mp_styles->start_border_style();
ENSURE_INTERFACE(mp_border, import_border_style);
break;
}
case XML_top:
{
assert(mp_border);
m_cur_border_dir = ss::border_direction_t::top;
border_attr_parser func(ss::border_direction_t::top, *mp_border);
for_each(attrs.begin(), attrs.end(), func);
break;
}
case XML_bottom:
{
assert(mp_border);
m_cur_border_dir = ss::border_direction_t::bottom;
border_attr_parser func(ss::border_direction_t::bottom, *mp_border);
for_each(attrs.begin(), attrs.end(), func);
break;
}
case XML_left:
{
assert(mp_border);
m_cur_border_dir = ss::border_direction_t::left;
border_attr_parser func(ss::border_direction_t::left, *mp_border);
for_each(attrs.begin(), attrs.end(), func);
break;
}
case XML_right:
{
assert(mp_border);
m_cur_border_dir = ss::border_direction_t::right;
border_attr_parser func(ss::border_direction_t::right, *mp_border);
for_each(attrs.begin(), attrs.end(), func);
break;
}
case XML_diagonal:
{
start_element_diagonal(attrs);
break;
}
case XML_cellStyleXfs:
{
if (std::optional<std::size_t> count = extract_count(attrs); count)
{
mp_styles->set_xf_count(ss::xf_category_t::cell_style, *count);
m_cell_style_xf_ids.reserve(*count);
}
mp_xf = mp_styles->start_xf(ss::xf_category_t::cell_style);
ENSURE_INTERFACE(mp_xf, import_xf);
m_xf_type = ss::xf_category_t::cell_style;
break;
}
case XML_cellXfs:
{
if (std::optional<std::size_t> count = extract_count(attrs); count)
mp_styles->set_xf_count(ss::xf_category_t::cell, *count);
mp_xf = mp_styles->start_xf(ss::xf_category_t::cell);
ENSURE_INTERFACE(mp_xf, import_xf);
m_xf_type = ss::xf_category_t::cell;
break;
}
case XML_dxfs:
{
if (std::optional<std::size_t> count = extract_count(attrs); count)
mp_styles->set_xf_count(ss::xf_category_t::differential, *count);
mp_xf = mp_styles->start_xf(ss::xf_category_t::differential);
ENSURE_INTERFACE(mp_xf, import_xf);
m_xf_type = ss::xf_category_t::differential;
break;
}
case XML_cellStyles:
{
std::string_view ps = for_each(
attrs.begin(), attrs.end(), single_attr_getter(m_pool, NS_ooxml_xlsx, XML_count)).get_value();
if (!ps.empty())
{
size_t n = strtoul(ps.data(), nullptr, 10);
mp_styles->set_cell_style_count(n);
}
mp_cell_style = mp_styles->start_cell_style();
ENSURE_INTERFACE(mp_cell_style, import_cell_style);
break;
}
case XML_cellStyle:
{
// named cell style, some of which are built-in such as 'Normal'.
assert(mp_cell_style);
for (const xml_token_attr_t& attr : attrs)
{
switch (attr.name)
{
case XML_name:
mp_cell_style->set_name(attr.value);
break;
case XML_xfId:
{
// reference ID to an xf entry in cellStyleXfs
const char* p_end = nullptr;
size_t n = to_long(attr.value, &p_end);
if (attr.value.data() < p_end)
{
if (n < m_cell_style_xf_ids.size())
mp_cell_style->set_xf(m_cell_style_xf_ids[n]);
else
{
std::ostringstream os;
os << "out-of-bound cellStyle@xfId: id=" << n << "; count=" << m_cell_style_xf_ids.size();
warn(os.str());
}
}
break;
}
case XML_builtinId:
{
size_t n = to_long(attr.value);
mp_cell_style->set_builtin(n);
}
break;
}
}
break;
}
case XML_xf:
{
start_xf(attrs);
break;
}
case XML_protection:
{
mp_protection = mp_styles->start_cell_protection();
ENSURE_INTERFACE(mp_protection, import_cell_protection);
for (const auto& attr : attrs)
{
switch (attr.name)
{
case XML_hidden:
{
bool b = to_long(attr.value) != 0;
mp_protection->set_hidden(b);
break;
}
case XML_locked:
{
bool b = to_long(attr.value) != 0;
mp_protection->set_locked(b);
break;
}
}
}
break;
}
case XML_alignment:
{
assert(mp_xf);
// NB: default vertical alignment is 'bottom'.
ss::hor_alignment_t hor_align = ss::hor_alignment_t::unknown;
ss::ver_alignment_t ver_align = ss::ver_alignment_t::bottom;
bool wrap_text = false;
bool shrink_to_fit = false;
for (const xml_token_attr_t& attr : attrs)
{
switch (attr.name)
{
case XML_horizontal:
{
if (attr.value == "center")
hor_align = ss::hor_alignment_t::center;
else if (attr.value == "right")
hor_align = ss::hor_alignment_t::right;
else if (attr.value == "left")
hor_align = ss::hor_alignment_t::left;
else if (attr.value == "justify")
hor_align = ss::hor_alignment_t::justified;
else if (attr.value == "distributed")
hor_align = ss::hor_alignment_t::distributed;
break;
}
case XML_vertical:
{
if (attr.value == "top")
ver_align = ss::ver_alignment_t::top;
else if (attr.value == "center")
ver_align = ss::ver_alignment_t::middle;
else if (attr.value == "bottom")
ver_align = ss::ver_alignment_t::bottom;
else if (attr.value == "justify")
ver_align = ss::ver_alignment_t::justified;
else if (attr.value == "distributed")
ver_align = ss::ver_alignment_t::distributed;
break;
}
case XML_wrapText:
wrap_text = to_bool(attr.value);
break;
case XML_shrinkToFit:
shrink_to_fit = to_bool(attr.value);
break;
}
}
mp_xf->set_horizontal_alignment(hor_align);
mp_xf->set_vertical_alignment(ver_align);
mp_xf->set_wrap_text(wrap_text);
mp_xf->set_shrink_to_fit(shrink_to_fit);
break;
}
case XML_numFmts:
{
std::string_view val =
for_each(
attrs.begin(), attrs.end(),
single_attr_getter(m_pool, NS_ooxml_xlsx, XML_count)).get_value();
if (!val.empty())
{
size_t n = to_long(val);
mp_styles->set_number_format_count(n);
}
break;
}
case XML_numFmt:
start_number_format(attrs);
break;
default:
warn_unhandled();
}
}
else
warn_unhandled();
}
bool xlsx_styles_context::end_element(xmlns_id_t ns, xml_token_t name)
{
switch (name)
{
case XML_font:
{
assert(mp_font);
std::size_t id = mp_font->commit();
m_font_ids.push_back(id);
mp_font = nullptr;
break;
}
case XML_fill:
{
assert(mp_fill);
std::size_t id = mp_fill->commit();
m_fill_ids.push_back(id);
mp_fill = nullptr;
break;
}
case XML_border:
{
assert(mp_border);
std::size_t id = mp_border->commit();
m_border_ids.push_back(id);
mp_border = nullptr;
break;
}
case XML_cellStyle:
assert(mp_cell_style);
mp_cell_style->commit();
break;
case XML_cellStyles:
assert(mp_cell_style);
mp_cell_style = nullptr;
break;
case XML_cellStyleXfs:
case XML_cellXfs:
case XML_dxfs:
assert(mp_xf);
mp_xf = nullptr;
m_xf_type = ss::xf_category_t::unknown;
break;
case XML_xf:
case XML_dxf:
{
assert(mp_xf);
std::size_t id = mp_xf->commit();
switch (m_xf_type)
{
break;
case ss::xf_category_t::cell_style:
// only cell style xf ID is referenced.
m_cell_style_xf_ids.push_back(id);
break;
case ss::xf_category_t::cell:
case ss::xf_category_t::differential:
// not used
break;
case ss::xf_category_t::unknown:
warn("xf entry committed while the current xf category is unknown");
break;
}
break;
}
case XML_protection:
{
assert(mp_protection);
size_t prot_id = mp_protection->commit();
assert(mp_xf);
mp_xf->set_protection(prot_id);
break;
}
case XML_numFmt:
end_number_format();
break;
}
return pop_stack(ns, name);
}
void xlsx_styles_context::characters(std::string_view /*str*/, bool /*transient*/)
{
// not used in the styles.xml part.
}
void xlsx_styles_context::start_number_format(const xml_token_attrs_t& attrs)
{
if (!mp_styles)
return;
mp_numfmt = mp_styles->start_number_format();
ENSURE_INTERFACE(mp_numfmt, import_number_format);
m_cur_numfmt_id.reset();
for (const xml_token_attr_t& attr : attrs)
{
if (attr.ns)
continue;
switch (attr.name)
{
case XML_numFmtId:
{
const char* p_end = nullptr;
long id = to_long(attr.value, &p_end);
if (attr.value.data() < p_end && id >= 0)
{
mp_numfmt->set_identifier(id);
m_cur_numfmt_id = id;
}
break;
}
case XML_formatCode:
{
mp_numfmt->set_code(attr.value);
break;
}
}
}
}
void xlsx_styles_context::start_element_border(const xml_token_attrs_t& attrs)
{
bool diagonal_up = false;
bool diagonal_down = false;
std::for_each(attrs.begin(), attrs.end(),
[&diagonal_up,&diagonal_down](const xml_token_attr_t& attr)
{
if (attr.ns && attr.ns != NS_ooxml_xlsx)
return;
switch (attr.name)
{
case XML_diagonalDown:
// top-left to bottom-right.
diagonal_down = to_long(attr.value) != 0;
break;
case XML_diagonalUp:
// bottom-left to top-right.
diagonal_up = to_long(attr.value) != 0;
break;
default:
;
}
}
);
m_diagonal_up = diagonal_up;
m_diagonal_down = diagonal_down;
}
void xlsx_styles_context::start_element_diagonal(const xml_token_attrs_t& attrs)
{
assert(mp_border);
m_cur_border_dir = ss::border_direction_t::unknown;
if (m_diagonal_up)
{
m_cur_border_dir = m_diagonal_down ?
ss::border_direction_t::diagonal :
ss::border_direction_t::diagonal_bl_tr;
}
else
{
m_cur_border_dir = m_diagonal_down ?
ss::border_direction_t::diagonal_tl_br :
ss::border_direction_t::unknown;
}
if (m_cur_border_dir == ss::border_direction_t::unknown)
return;
border_attr_parser func(m_cur_border_dir, *mp_border);
for_each(attrs.begin(), attrs.end(), func);
}
void xlsx_styles_context::start_border_color(const xml_token_attrs_t& attrs)
{
assert(mp_border);
std::optional<std::string_view> rgb;
for (const xml_token_attr_t& attr : attrs)
{
switch (attr.name)
{
case XML_rgb:
rgb = attr.value;
break;
case XML_theme:
// TODO : handle this.
break;
}
}
if (rgb)
{
ss::color_elem_t alpha;
ss::color_elem_t red;
ss::color_elem_t green;
ss::color_elem_t blue;
if (to_rgb(*rgb, alpha, red, green, blue))
mp_border->set_color(m_cur_border_dir, alpha, red, green, blue);
}
}
void xlsx_styles_context::start_font_color(const xml_token_attrs_t& attrs)
{
assert(mp_font);
std::optional<std::string_view> rgb;
for (const xml_token_attr_t& attr : attrs)
{
switch (attr.name)
{
case XML_rgb:
rgb = attr.value;
break;
case XML_theme:
// TODO : handle this.
break;
}
}
if (rgb)
{
ss::color_elem_t alpha;
ss::color_elem_t red;
ss::color_elem_t green;
ss::color_elem_t blue;
if (to_rgb(*rgb, alpha, red, green, blue))
mp_font->set_color(alpha, red, green, blue);
}
}
void xlsx_styles_context::start_xf(const xml_token_attrs_t& attrs)
{
assert(mp_xf);
for (const xml_token_attr_t& attr : attrs)
{
switch (attr.name)
{
case XML_borderId:
{
const char* p_end = nullptr;
size_t n = to_long(attr.value, &p_end);
if (attr.value.data() < p_end)
{
if (n < m_border_ids.size())
mp_xf->set_border(m_border_ids[n]);
else
{
std::ostringstream os;
os << "out-of-bound borderId: id=" << n << "; count=" << m_border_ids.size();
warn(os.str());
}
}
break;
}
case XML_fillId:
{
const char* p_end = nullptr;
size_t n = to_long(attr.value, &p_end);
if (attr.value.data() < p_end)
{
if (n < m_fill_ids.size())
mp_xf->set_fill(m_fill_ids[n]);
else
{
std::ostringstream os;
os << "out-of-bound fillId: id=" << n << "; count=" << m_fill_ids.size();
warn(os.str());
}
}
break;
}
case XML_fontId:
{
const char* p_end = nullptr;
size_t n = to_long(attr.value, &p_end);
if (attr.value.data() < p_end)
{
if (n < m_font_ids.size())
mp_xf->set_font(m_font_ids[n]);
else
{
std::ostringstream os;
os << "out-of-bound fontId: id=" << n << "; count=" << m_font_ids.size();
warn(os.str());
}
}
break;
}
case XML_numFmtId:
{
const char* p_end = nullptr;
long n = to_long(attr.value, &p_end);
if (attr.value.data() < p_end && n >= 0)
{
auto it = m_numfmt_ids.find(n);
if (it == m_numfmt_ids.end())
{
std::ostringstream os;
os << "no entry for xf@numFmtId = " << n;
warn(os.str());
}
else
mp_xf->set_number_format(it->second);
}
break;
}
case XML_xfId:
{
// reference ID to an xf entry in cellStyleXfs
const char* p_end = nullptr;
size_t n = to_long(attr.value, &p_end);
if (attr.value.data() < p_end)
{
if (n < m_cell_style_xf_ids.size())
mp_xf->set_style_xf(m_cell_style_xf_ids[n]);
else
{
std::ostringstream os;
os << "out-of-bound xf@xfId: id=" << n << "; count=" << m_cell_style_xf_ids.size();
warn(os.str());
}
}
break;
}
case XML_applyBorder:
break;
case XML_applyFill:
break;
case XML_applyFont:
break;
case XML_applyNumberFormat:
break;
case XML_applyAlignment:
{
bool b = to_long(attr.value) != 0;
mp_xf->set_apply_alignment(b);
break;
}
}
}
}
void xlsx_styles_context::end_number_format()
{
if (!mp_styles)
return;
assert(mp_numfmt);
std::size_t id = mp_numfmt->commit();
mp_numfmt = nullptr;
if (m_cur_numfmt_id)
{
auto res = m_numfmt_ids.insert_or_assign(*m_cur_numfmt_id, id);
if (!res.second)
{
// assigned to an existing key
std::ostringstream os;
os << "number format id of " << *m_cur_numfmt_id << " referenced multiple times";
warn(os.str());
}
}
}
} // namespace orcus
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