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Update more functions.

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This commit is contained in:
Hermann Kraus 2012-03-06 17:29:33 +01:00
parent ac50834d92
commit 7a052f81f7
2 changed files with 64 additions and 126 deletions
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9
include/mapnik/xml_tree.hpp
View file

@ -41,7 +41,7 @@ class xml_attribute
{ {
public: public:
std::string value; std::string value;
bool processed; mutable bool processed;
}; };
class node_not_found: public std::exception class node_not_found: public std::exception
@ -66,9 +66,10 @@ public:
std::string name() const; std::string name() const;
std::string text() const; std::string text() const;
bool is_text() const; bool is_text() const;
bool is(std::string const& name) const;
xml_node &add_child(std::string name, unsigned line=0, bool text_node = false); xml_node &add_child(std::string const& name, unsigned line=0, bool text_node = false);
void add_attribute(std::string name, std::string value); void add_attribute(std::string const& name, std::string const& value);
void set_processed(bool processed); void set_processed(bool processed);
const_iterator begin() const; const_iterator begin() const;
@ -96,7 +97,7 @@ private:
std::map<std::string, xml_attribute> attributes_; std::map<std::string, xml_attribute> attributes_;
bool text_node_; bool text_node_;
unsigned line_; unsigned line_;
bool processed_; mutable bool processed_;
}; };

175
src/load_map.cpp
View file

@ -98,13 +98,13 @@ public:
void parse_map(Map & map, xml_node const& sty, std::string const& base_path=""); void parse_map(Map & map, xml_node const& sty, std::string const& base_path="");
private: private:
void parse_map_include( Map & map, xml_node const& include); void parse_map_include( Map & map, xml_node const& include);
void parse_style(Map & map, ptree const & sty); void parse_style(Map & map, xml_node const& sty);
void parse_layer(Map & map, ptree const & lay); void parse_layer(Map & map, xml_node const& lay);
void parse_metawriter(Map & map, ptree const & lay); void parse_metawriter(Map & map, xml_node const& lay);
void parse_metawriter_in_symbolizer(symbolizer_base &sym, ptree const &pt); void parse_metawriter_in_symbolizer(symbolizer_base &sym, ptree const &pt);
void parse_fontset(Map & map, ptree const & fset); void parse_fontset(Map & map, xml_node const & fset);
void parse_font(font_set & fset, ptree const & f); void parse_font(font_set & fset, xml_node const& f);
void parse_rule(feature_type_style & style, ptree const & r); void parse_rule(feature_type_style & style, ptree const & r);
@ -390,6 +390,8 @@ void map_parser::parse_map(Map & map, xml_node const& pt, std::string const& bas
void map_parser::parse_map_include(Map & map, xml_node const& include) void map_parser::parse_map_include(Map & map, xml_node const& include)
{ {
try
{
xml_node::const_iterator itr = include.begin(); xml_node::const_iterator itr = include.begin();
xml_node::const_iterator end = include.end(); xml_node::const_iterator end = include.end();
@ -402,7 +404,7 @@ void map_parser::parse_map_include(Map & map, xml_node const& include)
} }
else if (itr->name() == "Style") else if (itr->name() == "Style")
{ {
// parse_style(map, *itr); parse_style(map, *itr);
} }
else if (itr->name() == "Layer") else if (itr->name() == "Layer")
{ {
@ -477,99 +479,73 @@ void map_parser::parse_map_include(Map & map, xml_node const& include)
} }
} }
} }
} catch (const config_error & ex) {
ex.append_context(std::string("in map '") + filename_ + "'");
throw;
}
map.init_metawriters(); map.init_metawriters();
} }
void map_parser::parse_style( Map & map, ptree const & sty ) void map_parser::parse_style(Map & map, xml_node const& sty)
{ {
std::ostringstream s("");
s << "name,"
<< "filter-mode";
ensure_attrs(sty, "Style", s.str());
std::string name("<missing name>"); std::string name("<missing name>");
try try
{ {
name = get_attr<std::string>(sty, "name"); name = sty.get_attr<std::string>("name");
feature_type_style style; feature_type_style style;
filter_mode_e filter_mode = get_attr<filter_mode_e>(sty, "filter-mode", FILTER_ALL); filter_mode_e filter_mode = sty.get_attr<filter_mode_e>("filter-mode", FILTER_ALL);
style.set_filter_mode(filter_mode); style.set_filter_mode(filter_mode);
ptree::const_iterator ruleIter = sty.begin(); xml_node::const_iterator ruleIter = sty.begin();
ptree::const_iterator endRule = sty.end(); xml_node::const_iterator endRule = sty.end();
for (; ruleIter!=endRule; ++ruleIter) for (; ruleIter!=endRule; ++ruleIter)
{ {
ptree::value_type const& rule_tag = *ruleIter; if (ruleIter->is("Rule"))
if (rule_tag.first == "Rule")
{ {
parse_rule( style, rule_tag.second ); // parse_rule(style, rule_tag.second);
}
else if (rule_tag.first != "<xmlcomment>" &&
rule_tag.first != "<xmlattr>" )
{
throw config_error(std::string("Unknown child node in 'Style'. ") +
"Expected 'Rule' but got '" + rule_tag.first + "'");
} }
} }
map.insert_style(name, style); map.insert_style(name, style);
} catch (const config_error & ex) { } catch (const config_error & ex) {
if ( ! name.empty() ) {
ex.append_context(std::string("in style '") + name + "'"); ex.append_context(std::string("in style '") + name + "'");
}
ex.append_context(std::string("in map '") + filename_ + "'");
throw; throw;
} }
} }
void map_parser::parse_metawriter(Map & map, ptree const & pt) void map_parser::parse_metawriter(Map & map, xml_node const& pt)
{ {
ensure_attrs(pt, "MetaWriter", "name,type,file,default-output,output-empty,pixel-coordinates");
std::string name("<missing name>"); std::string name("<missing name>");
metawriter_ptr writer; metawriter_ptr writer;
try try
{ {
name = get_attr<std::string>(pt, "name"); name = pt.get_attr<std::string>("name");
writer = metawriter_create(pt); // writer = metawriter_create(pt);
map.insert_metawriter(name, writer); map.insert_metawriter(name, writer);
} catch (const config_error & ex) { } catch (const config_error & ex) {
if (!name.empty()) {
ex.append_context(std::string("in meta writer '") + name + "'"); ex.append_context(std::string("in meta writer '") + name + "'");
} }
ex.append_context(std::string("in map '") + filename_ + "'");
throw;
}
} }
void map_parser::parse_fontset( Map & map, ptree const & fset ) void map_parser::parse_fontset(Map & map, xml_node const& fset)
{ {
ensure_attrs(fset, "FontSet", "name,Font");
std::string name("<missing name>"); std::string name("<missing name>");
try try
{ {
name = get_attr<std::string>(fset, "name"); name = fset.get_attr<std::string>("name");
font_set fontset(name); font_set fontset(name);
ptree::const_iterator itr = fset.begin(); xml_node::const_iterator itr = fset.begin();
ptree::const_iterator end = fset.end(); xml_node::const_iterator end = fset.end();
for (; itr != end; ++itr) for (; itr != end; ++itr)
{ {
ptree::value_type const& font_tag = *itr; if (itr->is("Font"))
if (font_tag.first == "Font")
{ {
parse_font(fontset, font_tag.second); parse_font(fontset, *itr);
}
else if (font_tag.first != "<xmlcomment>" &&
font_tag.first != "<xmlattr>" )
{
throw config_error(std::string("Unknown child node in 'FontSet'. ") +
"Expected 'Font' but got '" + font_tag.first + "'");
} }
} }
@ -579,19 +555,14 @@ void map_parser::parse_fontset( Map & map, ptree const & fset )
// when it's parsed // when it's parsed
fontsets_.insert(pair<std::string, font_set>(name, fontset)); fontsets_.insert(pair<std::string, font_set>(name, fontset));
} catch (const config_error & ex) { } catch (const config_error & ex) {
if ( ! name.empty() ) {
ex.append_context(std::string("in FontSet '") + name + "'"); ex.append_context(std::string("in FontSet '") + name + "'");
}
ex.append_context(std::string("in map '") + filename_ + "'");
throw; throw;
} }
} }
void map_parser::parse_font(font_set & fset, ptree const & f) void map_parser::parse_font(font_set &fset, xml_node const& f)
{ {
ensure_attrs(f, "Font", "face-name"); optional<std::string> face_name = f.get_opt_attr<std::string>("face-name");
optional<std::string> face_name = get_opt_attr<std::string>(f, "face-name");
if (face_name) if (face_name)
{ {
if ( strict_ ) if ( strict_ )
@ -606,85 +577,72 @@ void map_parser::parse_font(font_set & fset, ptree const & f)
} }
} }
void map_parser::parse_layer( Map & map, ptree const & lay ) void map_parser::parse_layer(Map & map, xml_node const& lay)
{ {
std::string name; std::string name;
std::ostringstream s("");
s << "name,"
<< "srs,"
<< "status,"
<< "minzoom,"
<< "maxzoom,"
<< "queryable,"
<< "clear-label-cache,"
<< "cache-features,"
<< "group-by";
ensure_attrs(lay, "Layer", s.str());
try try
{ {
name = get_attr(lay, "name", std::string("Unnamed")); name = lay.get_attr("name", std::string("Unnamed"));
// XXX if no projection is given inherit from map? [DS] // XXX if no projection is given inherit from map? [DS]
std::string srs = get_attr(lay, "srs", map.srs()); std::string srs = lay.get_attr("srs", map.srs());
layer lyr(name, srs); layer lyr(name, srs);
optional<boolean> status = get_opt_attr<boolean>(lay, "status"); optional<boolean> status = lay.get_opt_attr<boolean>("status");
if (status) if (status)
{ {
lyr.setActive( * status ); lyr.setActive(*status);
} }
optional<double> minZoom = get_opt_attr<double>(lay, "minzoom"); optional<double> minZoom = lay.get_opt_attr<double>("minzoom");
if (minZoom) if (minZoom)
{ {
lyr.setMinZoom( * minZoom ); lyr.setMinZoom( * minZoom );
} }
optional<double> maxZoom = get_opt_attr<double>(lay, "maxzoom"); optional<double> maxZoom = lay.get_opt_attr<double>("maxzoom");
if (maxZoom) if (maxZoom)
{ {
lyr.setMaxZoom( * maxZoom ); lyr.setMaxZoom( * maxZoom );
} }
optional<boolean> queryable = get_opt_attr<boolean>(lay, "queryable"); optional<boolean> queryable = lay.get_opt_attr<boolean>("queryable");
if (queryable) if (queryable)
{ {
lyr.setQueryable( * queryable ); lyr.setQueryable( * queryable );
} }
optional<boolean> clear_cache = optional<boolean> clear_cache =
get_opt_attr<boolean>(lay, "clear-label-cache"); lay.get_opt_attr<boolean>("clear-label-cache");
if (clear_cache) if (clear_cache)
{ {
lyr.set_clear_label_cache( * clear_cache ); lyr.set_clear_label_cache( * clear_cache );
} }
optional<boolean> cache_features = optional<boolean> cache_features =
get_opt_attr<boolean>(lay, "cache-features"); lay.get_opt_attr<boolean>("cache-features");
if (cache_features) if (cache_features)
{ {
lyr.set_cache_features( * cache_features ); lyr.set_cache_features( * cache_features );
} }
optional<std::string> group_by = optional<std::string> group_by =
get_opt_attr<std::string>(lay, "group-by"); lay.get_opt_attr<std::string>("group-by");
if (group_by) if (group_by)
{ {
lyr.set_group_by( * group_by ); lyr.set_group_by( * group_by );
} }
ptree::const_iterator itr2 = lay.begin(); xml_node::const_iterator child = lay.begin();
ptree::const_iterator end2 = lay.end(); xml_node::const_iterator end = lay.end();
for(; itr2 != end2; ++itr2) for(; child != end; ++child)
{ {
ptree::value_type const& child = *itr2;
if (child.first == "StyleName") if (child->is("StyleName"))
{ {
ensure_attrs(child.second, "StyleName", "none"); std::string style_name = child->get_value<std::string>("style name"); //TODO: get_text
std::string style_name = get_value<std::string>(child.second, "style name");
if (style_name.empty()) if (style_name.empty())
{ {
std::ostringstream ss; std::ostringstream ss;
@ -699,11 +657,10 @@ void map_parser::parse_layer( Map & map, ptree const & lay )
lyr.add_style(style_name); lyr.add_style(style_name);
} }
} }
else if (child.first == "Datasource") else if (child->is("Datasource"))
{ {
ensure_attrs(child.second, "Datasource", "base");
parameters params; parameters params;
optional<std::string> base = get_opt_attr<std::string>( child.second, "base" ); optional<std::string> base = child->get_opt_attr<std::string>("base");
if( base ) if( base )
{ {
std::map<std::string,parameters>::const_iterator base_itr = datasource_templates_.find(*base); std::map<std::string,parameters>::const_iterator base_itr = datasource_templates_.find(*base);
@ -711,27 +668,16 @@ void map_parser::parse_layer( Map & map, ptree const & lay )
params = base_itr->second; params = base_itr->second;
} }
ptree::const_iterator paramIter = child.second.begin(); xml_node::const_iterator paramIter = child->begin();
ptree::const_iterator endParam = child.second.end(); xml_node::const_iterator endParam = child->end();
for (; paramIter != endParam; ++paramIter) for (; paramIter != endParam; ++paramIter)
{ {
ptree const& param = paramIter->second; if (paramIter->is("Parameter"))
if (paramIter->first == "Parameter")
{ {
ensure_attrs(param, "Parameter", "name"); std::string name = paramIter->get_attr<std::string>("name");
std::string name = get_attr<std::string>(param, "name"); std::string value = paramIter->get_text();
std::string value = get_value<std::string>( param,
"datasource parameter");
params[name] = value; params[name] = value;
} }
else if( paramIter->first != "<xmlattr>" &&
paramIter->first != "<xmlcomment>" )
{
throw config_error(std::string("Unknown child node in ") +
"'Datasource'. Expected 'Parameter' but got '" +
paramIter->first + "'");
}
} }
boost::optional<std::string> base_param = params.get<std::string>("base"); boost::optional<std::string> base_param = params.get<std::string>("base");
@ -763,23 +709,14 @@ void map_parser::parse_layer( Map & map, ptree const & lay )
throw config_error("Unknown exception occured attempting to create datasoure for layer '" + lyr.name() + "'"); throw config_error("Unknown exception occured attempting to create datasoure for layer '" + lyr.name() + "'");
} }
} }
else if (child.first != "<xmlattr>" &&
child.first != "<xmlcomment>")
{
throw config_error(std::string("Unknown child node in 'Layer'. ") +
"Expected 'StyleName' or 'Datasource' but got '" +
child.first + "'");
} }
}
map.addLayer(lyr); map.addLayer(lyr);
} }
catch (const config_error & ex) catch (const config_error & ex)
{ {
if ( ! name.empty() ) if (!name.empty())
{ {
ex.append_context(std::string("(encountered during parsing of layer '") + name + "' in map '" + filename_ + "')"); ex.append_context(std::string(" encountered during parsing of layer '") + name + "'");
} }
throw; throw;
} }