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|
#include "../base/SRC_FIRST.hpp"
#include "drawing_rules.hpp"
#include "file_reader_stream.hpp"
#include "file_writer_stream.hpp"
#include "scales.hpp"
#include "../coding/file_reader.hpp"
#include "../coding/file_writer.hpp"
#include "../base/std_serialization.hpp"
#include "../base/assert.hpp"
#include "../base/macros.hpp"
#include "../base/string_utils.hpp"
#include "../std/bind.hpp"
#include "../std/algorithm.hpp"
#include "../std/tuple.hpp"
#include "../std/fstream.hpp"
#include "../std/exception.hpp"
#include "../std/limits.hpp"
#include "../base/start_mem_debug.hpp"
namespace drule {
unsigned char alpha_opacity(double d)
{
ASSERT ( d >= 0.0 && d <= 1.0, (d) );
return static_cast<unsigned char>(255 * d);
}
/// @name convertors for standart types
//@{
template <class T> T get_value(string const & s);
template <> bool get_value<bool>(string const & s)
{
return (s == "yes" || s == "1");
}
template <> double get_value<double>(string const & s)
{
double d;
VERIFY ( strings::to_double(s, d), ("Bad double in drawing rule : ", s) );
return d;
}
template <> string get_value<string>(string const & s)
{
string ss(s);
strings::MakeLowerCase(ss);
return ss;
}
//@}
/// parameters tuple initialization
//@{
class assign_element
{
attrs_map_t const & m_attrs;
string * m_keys;
public:
assign_element(attrs_map_t const & attrs, string * keys) : m_attrs(attrs), m_keys(keys) {}
template <class T> void operator() (T & t, int n)
{
attrs_map_t::const_iterator i = m_attrs.find(m_keys[n]);
if (i != m_attrs.end())
t = get_value<T>(i->second);
}
};
template <class Tuple, int N>
void parse_tuple(Tuple & t, attrs_map_t const & attrs, string (&keys)[N])
{
STATIC_ASSERT ( N == tuple_length<Tuple>::value );
assign_element toDo(attrs, keys);
for_each_tuple(t, toDo);
}
//@}
/// main function for rule creation
template <class T> T * create_rule(attrs_map_t const & attrs)
{
T * p = new T();
parse_tuple(p->m_params, attrs, T::arrKeys);
return p;
}
/// compare rules
template <class T> bool is_equal_rules(T const * p1, BaseRule const * p2)
{
T const * pp2 = dynamic_cast<T const *>(p2);
if (pp2)
return (p1->IsEqualBase(p2) && (p1->m_params == pp2->m_params));
return false;
}
template <class TArchive, class T> void write_rules(TArchive & ar, T const * p)
{
p->WriteBase(ar);
serial::save_tuple(ar, p->m_params);
}
template <class TArchive, class T> void read_rules(TArchive & ar, T * p)
{
p->ReadBase(ar);
serial::load_tuple(ar, p->m_params);
}
////////////////////////////////////////////////////////////////////////////////////////
// px_metric_t
////////////////////////////////////////////////////////////////////////////////////////
struct px_metric_t
{
double m_v;
px_metric_t(double v = 0.0) : m_v(v) {}
bool operator==(px_metric_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, px_metric_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, px_metric_t & t)
{
ar >> t.m_v;
return ar;
}
template <> px_metric_t get_value<px_metric_t>(string const & s)
{
size_t i = s.find("px");
if (i == string::npos)
i = s.size();
return px_metric_t(atof(s.substr(0, i).c_str()));
}
////////////////////////////////////////////////////////////////////////////////////////
// color_t
////////////////////////////////////////////////////////////////////////////////////////
struct color_t
{
int32_t m_v;
enum XXX { none = -1 };
color_t(int32_t v = 0) : m_v(v) {}
bool operator==(color_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, color_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, color_t & t)
{
ar >> t.m_v;
return ar;
}
template <> color_t get_value<color_t>(string const & s)
{
int v = 0;
if (s[0] == '#')
{
char * dummy;
v = strtol(&s[1], &dummy, 16);
}
else if (s == "none") v = color_t::none;
else if (s == "black") { /*already initialized*/ }
else if (s == "white") v = 0xFFFFFF;
else if (s == "red") v = 0xFF0000;
else if (s == "green") v = 0x00FF00;
else if (s == "blue") v = 0x0000FF;
else if (s == "lightblue") v = 0xADD8E6;
else if (s == "yellow") v = 0xFFFF00;
else
{
ASSERT ( !"check color values", (s) );
}
return v;
}
////////////////////////////////////////////////////////////////////////////////////////
// dash_array_t
////////////////////////////////////////////////////////////////////////////////////////
struct dash_array_t
{
vector<double> m_v;
void add(string const & s)
{
double const v = atof(s.c_str());
if (v != 0.0) m_v.push_back(v);
}
bool operator==(dash_array_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, dash_array_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, dash_array_t & t)
{
ar >> t.m_v;
return ar;
}
template <> dash_array_t get_value<dash_array_t>(string const & s)
{
dash_array_t ret;
strings::Tokenize(s, " \tpx,", bind(&dash_array_t::add, ref(ret), _1));
/// @see http://www.w3.org/TR/SVG/painting.html stroke-dasharray
size_t const count = ret.m_v.size();
if (count % 2 != 0)
for (size_t i = 0; i < count; ++i)
{
double const d = ret.m_v[i];
ret.m_v.push_back(d);
}
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////
// line_cap_t
////////////////////////////////////////////////////////////////////////////////////////
struct line_cap_t
{
enum { round, butt, square };
int32_t m_v;
line_cap_t(int32_t v = round) : m_v(v) {}
bool operator==(line_cap_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, line_cap_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, line_cap_t & t)
{
ar >> t.m_v;
return ar;
}
template <> line_cap_t get_value<line_cap_t>(string const & s)
{
int v = line_cap_t::round;
if (s == "round") { /*initialized*/ }
else if (s == "butt") v = line_cap_t::butt;
else if (s == "square") v = line_cap_t::square;
else
{
ASSERT ( !"check stroke-linecap values", (s) );
}
return line_cap_t(v);
}
////////////////////////////////////////////////////////////////////////////////////////
// pattern_url_t
////////////////////////////////////////////////////////////////////////////////////////
struct pattern_url_t : public color_t
{
string m_pattern;
pattern_url_t() : color_t(color_t::none) {}
pattern_url_t(string const & s) : color_t(color_t::none), m_pattern(s) {}
pattern_url_t(color_t const & r) : color_t(r) {}
bool operator==(pattern_url_t const & r) const
{
return (m_v == r.m_v) && (m_pattern == r.m_pattern);
}
};
template <class TArchive> TArchive & operator << (TArchive & ar, pattern_url_t const & t)
{
ar << t.m_v << t.m_pattern;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, pattern_url_t & t)
{
ar >> t.m_v >> t.m_pattern;
return ar;
}
template <> pattern_url_t get_value<pattern_url_t>(string const & s)
{
if (s[0] == 'u')
{
/// @todo make fill pattern by symbol
return pattern_url_t(s);
}
else
return get_value<color_t>(s);
}
////////////////////////////////////////////////////////////////////////////////////////
// position_t
////////////////////////////////////////////////////////////////////////////////////////
struct position_t
{
enum { center = 0 };
int32_t m_v;
position_t(int32_t v = center) : m_v(v) {}
bool operator==(position_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, position_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, position_t & t)
{
ar >> t.m_v;
return ar;
}
template <> position_t get_value<position_t>(string const & s)
{
int v = position_t::center;
if (s == "center") { /*initialized*/ }
else
{
ASSERT ( !"check symbol position values", (s) );
}
return position_t(v);
}
////////////////////////////////////////////////////////////////////////////////////////
// txt_anchor_t
////////////////////////////////////////////////////////////////////////////////////////
struct txt_anchor_t
{
enum { start, middle, end };
int32_t m_v;
txt_anchor_t(int32_t v = start) : m_v(v) {}
bool operator==(txt_anchor_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, txt_anchor_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, txt_anchor_t & t)
{
ar >> t.m_v;
return ar;
}
template <> txt_anchor_t get_value<txt_anchor_t>(string const & s)
{
int v = txt_anchor_t::start;
if (s == "start") { /*initialized*/ }
else if (s == "middle") v = txt_anchor_t::middle;
else if (s == "end") v = txt_anchor_t::end;
else
{
ASSERT ( !"check text-anchor values", (s) );
}
return txt_anchor_t(v);
}
////////////////////////////////////////////////////////////////////////////////////////
// font_family_t
////////////////////////////////////////////////////////////////////////////////////////
struct font_family_t
{
string m_v;
font_family_t() : m_v("DejaVu Sans") {}
bool operator==(font_family_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, font_family_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, font_family_t & t)
{
ar >> t.m_v;
return ar;
}
template <> font_family_t get_value<font_family_t>(string const & /*s*/)
{
/// @todo process font (example: "DejaVu Sans",sans-serif)
return font_family_t();
}
////////////////////////////////////////////////////////////////////////////////////////
// percent_t
////////////////////////////////////////////////////////////////////////////////////////
struct percent_t
{
int32_t m_v;
percent_t(int32_t v = 0) : m_v(v) {}
bool operator==(percent_t const & r) const { return m_v == r.m_v; }
};
template <class TArchive> TArchive & operator << (TArchive & ar, percent_t const & t)
{
ar << t.m_v;
return ar;
}
template <class TArchive> TArchive & operator >> (TArchive & ar, percent_t & t)
{
ar >> t.m_v;
return ar;
}
template <> percent_t get_value<percent_t>(string const & s)
{
size_t i = s.find_first_of('%');
if (i == string::npos)
{
ASSERT ( !"percent string has no % mark", (s) );
i = s.size();
}
return percent_t(atoi(s.substr(0, i).c_str()));
}
////////////////////////////////////////////////////////////////////////////////////////
// LineRule
////////////////////////////////////////////////////////////////////////////////////////
struct LineRule : public BaseRule
{
tuple<bool, double, double, double,
pattern_url_t, px_metric_t, dash_array_t, line_cap_t, double, px_metric_t> m_params;
LineRule()
: m_params(make_tuple(false, 1.0, 0.0, std::numeric_limits<double>::max(),
pattern_url_t(), -1.0, dash_array_t(), line_cap_t(), 1.0,
0.0))
{}
virtual bool IsEqual(BaseRule const * p) const { return is_equal_rules(this, p); }
virtual void Read(ReaderPtrStream & ar) { read_rules(ar, this); }
virtual void Write(FileWriterStream & ar) const { write_rules(ar, this); }
virtual int GetColor() const { return m_params.get<4>().m_v; }
virtual unsigned char GetAlpha() const { return alpha_opacity(m_params.get<8>()); }
virtual double GetWidth() const
{
double w = m_params.get<5>().m_v;
if (w == -1) return 0.0;
if (m_params.get<0>())
{
double minw = m_params.get<2>();
double maxw = m_params.get<3>();
if (w < minw) w = minw;
if (w > maxw) w = maxw;
w *= m_params.get<1>();
}
return w;
}
virtual void GetPattern(vector<double> & p, double & offset) const
{
offset = m_params.get<9>().m_v;
p = m_params.get<6>().m_v;
}
static string arrKeys[10];
};
string LineRule::arrKeys[] = {
// If it is yes, the line will be drawn with the width reflecting the width=* value,
// if the way has the width tag.
"honor-width",
// Is scale factor from width tag value (meter) to pixel width of the SVG.
"width-scale-factor",
// Specify the minimum and the maximum width. If the way doesn't have the width tag,
// the line is drawn with the width specified by CSS
"minimum-width", "maximum-width",
// The color of the line.
"stroke",
// The width of the line.
"stroke-width",
// Specifying the line style.
"stroke-dasharray",
// How to draw the terminal. Choice one from round, butt or square.
"stroke-linecap",
// The opacity of the line. The value takes from 0.0 (completely invisible) to
// 1.0 (completely overdrawing).
// The default is 1.0
"stroke-opacity",
// undocumented
"stroke-dashoffset"
};
////////////////////////////////////////////////////////////////////////////////////////
// AreaRule
////////////////////////////////////////////////////////////////////////////////////////
struct AreaRule : public BaseRule
{
tuple<pattern_url_t, double, pattern_url_t, px_metric_t, double> m_params;
AreaRule() : m_params(make_tuple(pattern_url_t(), 1.0, pattern_url_t(), 1.0, 1.0)) {}
virtual bool IsEqual(BaseRule const * p) const { return is_equal_rules(this, p); }
virtual void Read(ReaderPtrStream & ar) { read_rules(ar, this); }
virtual void Write(FileWriterStream & ar) const { write_rules(ar, this); }
virtual int GetFillColor() const { return m_params.get<0>().m_v; }
virtual int GetColor() const { return m_params.get<2>().m_v; }
virtual unsigned char GetAlpha() const { return alpha_opacity(m_params.get<1>()); }
virtual double GetWidth() const { return m_params.get<3>().m_v; }
static string arrKeys[5];
};
string AreaRule::arrKeys[] =
{
"fill", "fill-opacity", "stroke", "stroke-width", "stroke-opacity"
};
////////////////////////////////////////////////////////////////////////////////////////
// SymbolRule
////////////////////////////////////////////////////////////////////////////////////////
struct SymbolRule : public BaseRule
{
tuple<string, string, position_t> m_params;
virtual bool IsEqual(BaseRule const * p) const { return is_equal_rules(this, p); }
virtual void Read(ReaderPtrStream & ar) { read_rules(ar, this); }
virtual void Write(FileWriterStream & ar) const { write_rules(ar, this); }
virtual void GetSymbol(string & s) const
{
s = m_params.get<0>();
if (s.empty())
{
string const & ss = m_params.get<1>();
if (!ss.empty()) s = ss.substr(1, ss.size()-1);
}
}
static string arrKeys[3];
};
// "width", "height", "transform"
string SymbolRule::arrKeys[] = { "ref", "xlink:href", "position" };
////////////////////////////////////////////////////////////////////////////////////////
// CaptionRule
////////////////////////////////////////////////////////////////////////////////////////
struct CaptionRule : public BaseRule
{
tuple<string, px_metric_t, px_metric_t, txt_anchor_t,
font_family_t, px_metric_t, color_t, double, color_t> m_params;
CaptionRule()
: m_params(make_tuple("", 0, 0, txt_anchor_t(),
font_family_t(), 2.0, color_t(), 1.0, color_t::none))
{}
virtual bool IsEqual(BaseRule const * p) const { return is_equal_rules(this, p); }
virtual void Read(ReaderPtrStream & ar) { read_rules(ar, this); }
virtual void Write(FileWriterStream & ar) const { write_rules(ar, this); }
virtual double GetTextHeight() const { return m_params.get<5>().m_v; }
virtual int GetFillColor() const { return m_params.get<6>().m_v; }
virtual int GetColor() const {return m_params.get<8>().m_v; }
static string arrKeys[9];
};
string CaptionRule::arrKeys[] = {
// it specified the key of the text instruction (eg k="name" ).
"k",
// Translational length on x or y axis from the center point.
"dx", "dy",
// It specify the anchor point on the text. You can choice form start, middle or end.
// The default value is start.
// It is the same meaning with svg:text-anchor property
"text-anchor",
"font-family", // The font family of the text. (ex. serif, "DejaVu Sans")
"font-size", // The size of the font.
"fill", // The color of the text.
"fill-opacity", // The opacity of the text. The value takes from 0.0 (completely transparent)
// to 1.0 (completely overdrawing). The default is 1.0 .
"stroke" // The color of the font outline. Usually it should be none.
};
////////////////////////////////////////////////////////////////////////////////////////
// CircleRule
////////////////////////////////////////////////////////////////////////////////////////
struct CircleRule : public BaseRule
{
tuple<px_metric_t, color_t, double, color_t, px_metric_t, double> m_params;
CircleRule() : m_params(make_tuple(1, color_t(), 1.0, color_t::none, 0.0, 1.0)) {}
virtual bool IsEqual(BaseRule const * p) const { return is_equal_rules(this, p); }
virtual void Read(ReaderPtrStream & ar) { read_rules(ar, this); }
virtual void Write(FileWriterStream & ar) const { write_rules(ar, this); }
virtual double GetRadius() const { return m_params.get<0>().m_v; }
virtual int GetFillColor() const { return m_params.get<1>().m_v; }
virtual unsigned char GetAlpha() const { return alpha_opacity(m_params.get<2>()); }
virtual int GetColor() const { return m_params.get<3>().m_v; }
virtual double GetWidth() const { return m_params.get<4>().m_v; }
static string arrKeys[6];
};
string CircleRule::arrKeys[] = {
"r", // The radius of a circle.
"fill", // The color of the filling.
"fill-opacity", // The opacity of the filling. The value takes from 0.0 (completely transparent)
// to 1.0 (completely overdrawing). The default is 1.0 .
"stroke", // The color of the outline. If you don't want to draw the outline,
// set it as none.
"stroke-width", // The width of the outline.
"stroke-opacity" // The opacity of the line.
};
////////////////////////////////////////////////////////////////////////////////////////
// PathTextRule
////////////////////////////////////////////////////////////////////////////////////////
struct PathTextRule : public BaseRule
{
tuple<string, px_metric_t, px_metric_t, txt_anchor_t, percent_t, /*bool,*/
font_family_t, px_metric_t, color_t, double, color_t> m_params;
PathTextRule()
: m_params(make_tuple("", 0, 0, txt_anchor_t(), 0, /*true,*/
font_family_t(), 2.0, color_t(), 1.0, color_t::none))
{}
virtual bool IsEqual(BaseRule const * p) const { return is_equal_rules(this, p); }
virtual void Read(ReaderPtrStream & ar) { read_rules(ar, this); }
virtual void Write(FileWriterStream & ar) const { write_rules(ar, this); }
virtual double GetTextHeight() const { return m_params.get<6>().m_v; }
virtual int GetColor() const {return m_params.get<7>().m_v;}
static string arrKeys[10];
};
string PathTextRule::arrKeys[] = {
// It specified the key of the text instruction (eg k="name" ).
"k",
// Translational length on y axis from the center line of the way.
// Usually this is used for drawing ref=*.
"dx", "dy",
// It specify the anchor point on the text. You can choice form start,middle or end.
// The default value is start. It is the same meaning with svg:text-anchor property
"text-anchor",
// It specify the anchor point on the path. The value is given by %.
// The range is form 0% (start of the path) to 100%
// (end of the path). The default value is 0%.
// It is the same meaning with <svg:textPath StartOffset="">
"startOffset",
// This works only on or/p now
//"avoid-duplicate",
"font-family", // The font family of the text. (ex. serif, "DejaVu Sans")
"font-size", // The size of the font.
"fill", // The color of the text.
"fill-opacity", // The opacity of the text. The value takes from 0.0 (completely transparent)
// to 1.0 (completely overdrawing). The default is 1.0 .
"stroke" // The color of the font outline. Usually it should be none.
};
////////////////////////////////////////////////////////////////////////////////////////
// WayMarkerRule
////////////////////////////////////////////////////////////////////////////////////////
struct WayMarkerRule : public BaseRule
{
tuple<string, color_t, px_metric_t, line_cap_t, double> m_params;
WayMarkerRule() : m_params(make_tuple("", color_t(), 1.0, line_cap_t(), 1.0)) {}
virtual bool IsEqual(BaseRule const * p) const { return is_equal_rules(this, p); }
virtual void Read(ReaderPtrStream & ar) { read_rules(ar, this); }
virtual void Write(FileWriterStream & ar) const { write_rules(ar, this); }
static string arrKeys[5];
};
string WayMarkerRule::arrKeys[] = {
// It specified the key of the way that passes through the node. (eg k="highway" ).
"k",
"stroke", // The color of the line.
"stroke-width", // The width of the line.
"stroke-linecap", // How to draw the terminal. Choice one from round, butt or square.
"stroke-opacity" // The opacity of the line. The value takes from 0.0 (completely invisible)
// to 1.0 (completely overdrawing). The default is 1.0 .
};
////////////////////////////////////////////////////////////////////////////////////////////
// BaseRule implementation
////////////////////////////////////////////////////////////////////////////////////////////
void BaseRule::ReadBase(ReaderPtrStream & ar)
{
ar >> m_class >> m_type;
}
void BaseRule::WriteBase(FileWriterStream & ar) const
{
ar << m_class << m_type;
}
namespace
{
bool find_sub_str(string const & s, char const * p)
{
size_t i = s.find(p);
return (i != string::npos);
}
}
////////////////////////////////////////////////////////////////////////////////////////////
// RulesHolder implementation
////////////////////////////////////////////////////////////////////////////////////////////
RulesHolder::~RulesHolder()
{
Clean();
}
void RulesHolder::Clean()
{
for (size_t i = 0; i < m_container.size(); ++i)
{
rule_vec_t & v = m_container[i];
for (size_t j = 0; j < v.size(); ++j)
delete v[j];
v.clear();
}
m_rules.clear();
}
void RulesHolder::SetParseFile(char const * fPath, int scale)
{
m_file.clear();
m_currScale = scale;
#ifndef OMIM_OS_BADA
ifstream file(fPath);
if (!file.is_open()) return;
vector<char> v(500);
bool doPush = false;
// push the part of file <style>...</style> to the string buffer
while (!file.eof())
{
file.getline(&v[0], v.size());
if (!doPush)
{
if (find_sub_str(&v[0], "<style"))
doPush = true;
}
if (doPush)
{
m_file += ' '; // add delimeter between strings
m_file += &v[0];
if (find_sub_str(&v[0], "</style>"))
break;
}
}
#else
ASSERT ( false, ("SetParseFile uses only in indexer_tool") );
#endif
}
/// parse pairs (<key>:<value>;) for a specified 'class' attribute obj in file buffer
void RulesHolder::PushAttributes(string objClass, attrs_map_t & attrs)
{
objClass = '.' + objClass;
size_t objSz = objClass.size();
size_t buffSz = m_file.size();
// find 'objClass' string in buffer
size_t i = 0;
while (i < buffSz)
{
i = m_file.find(objClass, i);
if (i == string::npos) return;
i += objSz;
if (i >= buffSz) return;
if (m_file[i] == ' ' || m_file[i] == '\t' || m_file[i] == '{') break;
}
// parse attributes in {...} scope
while (++i < buffSz)
{
i = m_file.find_first_not_of("{ \t", i);
if (i == string::npos || m_file[i] == '}') return;
size_t e = m_file.find_first_of(':', i);
if (e == string::npos) return;
string const k = m_file.substr(i, e-i);
i = m_file.find_first_not_of(" \t", e + 1);
if (i == string::npos) return;
e = m_file.find_first_of(';', i);
if (e == string::npos) return;
string const v = m_file.substr(i, e-i);
// How to push values, if the params are duplicating?
// Assume that the latest rule is better than previous.
attrs[k] = v;
i = e;
}
}
namespace
{
char const * arrClassTags[] = { "class", "mask-class" };
}
void RulesHolder::CreateRules(string const & name, uint8_t type, attrs_map_t const & attrs, vector<Key> & v)
{
bool added = false;
for (size_t i = 0; i < ARRAY_SIZE(arrClassTags); ++i)
{
attrs_map_t::const_iterator it = attrs.find(arrClassTags[i]);
if (it != attrs.end())
{
added = true;
v.push_back(CreateRuleImpl1(name, type, it->second, attrs, i == 1));
}
}
if (!added)
v.push_back(CreateRuleImpl2(name, type, "", attrs));
}
Key RulesHolder::CreateRuleImpl1(string const & name,
uint8_t type,
string const & clValue,
attrs_map_t const & attrs,
bool isMask)
{
#ifdef DEBUG
if (clValue.find("highway-pedestrian-area") != string::npos)
{
ASSERT (true, ());
}
#endif
attrs_map_t a;
strings::Tokenize(clValue, " \t", bind(&RulesHolder::PushAttributes, this, _1, ref(a)));
for (attrs_map_t::const_iterator i = attrs.begin(); i != attrs.end(); ++i)
if (!strings::IsInArray(arrClassTags, i->first))
a[i->first] = i->second;
// background color (imitation of masks in tunnel patterns)
if (isMask) a["stroke"] = "#ffffff";
// patch the tunnel draw rules -> make line draw rule
if (name == "tunnel")
{
attrs_map_t::iterator i = a.find("width");
if (i != a.end())
{
a["stroke-width"] = i->second;
a.erase(i);
}
return CreateRuleImpl2("line", type, clValue, a);
}
else
return CreateRuleImpl2(name, type, clValue, a);
}
Key RulesHolder::CreateRuleImpl2(string const & name,
uint8_t rType,
string const & clName,
attrs_map_t const & attrs)
{
BaseRule * pRule = 0;
int type = -1;
if (name == "line")
{
pRule = create_rule<LineRule>(attrs);
type = line;
}
else if (name == "area")
{
pRule = create_rule<AreaRule>(attrs);
type = area;
}
else if (name == "symbol")
{
pRule = create_rule<SymbolRule>(attrs);
type = symbol;
}
else if (name == "caption" || name == "text")
{
pRule = create_rule<CaptionRule>(attrs);
type = caption;
}
else if (name == "circle")
{
pRule = create_rule<CircleRule>(attrs);
type = circle;
}
else if (name == "pathText")
{
pRule = create_rule<PathTextRule>(attrs);
type = pathtext;
}
else if (name == "wayMarker")
{
pRule = new WayMarkerRule();
type = waymarker;
}
if (pRule)
{
pRule->SetType(rType);
// find existing equal rule for scale and type
vector<uint32_t> & rInd = m_rules[m_currScale][type];
vector<BaseRule*> & rCont = m_container[type];
size_t ind = 0;
for (; ind < rInd.size(); ++ind)
{
ASSERT ( rInd[ind] < rCont.size(), (rInd[ind], rCont.size()) );
if (rCont[rInd[ind]]->IsEqual(pRule))
break;
}
if (ind == rInd.size())
{
// add new rule
pRule->SetClassName(clName);
rCont.push_back(pRule);
rInd.push_back(rCont.size()-1);
ind = rInd.size()-1;
}
else
delete pRule;
return Key(m_currScale, type, ind);
}
else
{
ASSERT ( !"check possible rules", (name) );
return Key();
}
}
size_t RulesHolder::AddRule(int32_t scale, rule_type_t type, BaseRule * p)
{
ASSERT ( 0 <= scale && scale <= scales::GetUpperScale(), (scale) );
ASSERT ( 0 <= type && type < count_of_rules, () );
m_container[type].push_back(p);
vector<uint32_t> & v = m_rules[scale][type];
v.push_back(m_container[type].size()-1);
size_t const ret = v.size() - 1;
ASSERT ( Find(Key(scale, type, ret)) == p, (ret) );
return ret;
}
size_t RulesHolder::AddLineRule(int32_t scale, int color, double pixWidth)
{
LineRule * p = new LineRule();
p->m_params.get<4>() = color_t(color);
p->m_params.get<5>() = pixWidth / scales::GetM2PFactor(scale);
return AddRule(scale, line, p);
}
size_t RulesHolder::AddAreaRule(int32_t scale, int color)
{
AreaRule * p = new AreaRule();
p->m_params.get<0>() = color_t(color);
return AddRule(scale, area, p);
}
BaseRule const * RulesHolder::Find(Key const & k) const
{
rules_map_t::const_iterator i = m_rules.find(k.m_scale);
if (i == m_rules.end()) return 0;
vector<uint32_t> const & v = (i->second)[k.m_type];
ASSERT ( k.m_index >= 0, (k.m_index) );
if (static_cast<size_t>(k.m_index) < v.size())
return m_container[k.m_type][v[k.m_index]];
else
return 0;
}
FileWriterStream & operator << (FileWriterStream & ar, BaseRule * p)
{
p->Write(ar);
return ar;
}
void do_load(ReaderPtrStream & ar, size_t ind, BaseRule * & p)
{
switch (ind)
{
case line: p = new LineRule(); break;
case area: p = new AreaRule(); break;
case symbol: p = new SymbolRule(); break;
case caption: p = new CaptionRule(); break;
case circle: p = new CircleRule(); break;
case pathtext: p = new PathTextRule(); break;
case waymarker: p = new WayMarkerRule(); break;
default:
ASSERT ( !"Incorrect draw rule type for reading.", (ind) );
throw std::out_of_range("Bad draw rule index");
}
p->Read(ar);
}
void RulesHolder::Read(ReaderPtrStream & s)
{
Clean();
serial::do_load(s, m_container);
s >> m_rules;
}
void RulesHolder::Write(FileWriterStream & s)
{
s << m_container << m_rules;
}
void WriteRules(char const * fPath)
{
FileWriterStream file(fPath);
rules().Write(file);
}
void ReadRules(ReaderPtrStream & s)
{
rules().Read(s);
}
RulesHolder & rules()
{
static RulesHolder holder;
return holder;
}
}
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