src/map/wms.h

   1 #ifndef WMS_H
   2 #define WMS_H
   3
   4 #include <QString>
   5 #include <QRectF>
   6 #include "common/range.h"
   7 #include "common/rectc.h"
   8 #include "projection.h"
   9 #include "downloader.h"
  10 #include "coordinatesystem.h"
  11
  12 class QXmlStreamReader;
  13
  14 class WMS
  15 {
  16 public:
  17         class Setup
  18         {
  19         public:
  20                 Setup(const QString &url, const QString &layer, const QString &style,
  21                   const QString &format, const QString &crs,
  22                   const CoordinateSystem &cs,
  23                   const QList<QPair<QString, QString> > &dimensions,
  24                   const Authorization &authorization = Authorization())
  25                         : _url(url), _layer(layer), _style(style), _format(format),
  26                           _crs(crs), _cs(cs), _dimensions(dimensions),
  27                           _authorization(authorization) {}
  28
  29                 const QString &url() const {return _url;}
  30                 const Authorization &authorization() const {return _authorization;}
  31                 const QString &layer() const {return _layer;}
  32                 const QString &style() const {return _style;}
  33                 const QString &format() const {return _format;}
  34                 const QString &crs() const {return _crs;}
  35                 const CoordinateSystem &coordinateSystem() const {return _cs;}
  36                 const QList<QPair<QString, QString> > &dimensions() const
  37                   {return _dimensions;}
  38
  39         private:
  40                 QString _url;
  41                 QString _layer;
  42                 QString _style;
  43                 QString _format;
  44                 QString _crs;
  45                 CoordinateSystem _cs;
  46                 QList<QPair<QString, QString> > _dimensions;
  47                 Authorization _authorization;
  48         };
  49
  50
  51         WMS(const QString &path, const Setup &setup);
  52
  53         const Projection &projection() const {return _projection;}
  54         const RangeF &scaleDenominator() const {return _scaleDenominator;}
  55         const RectC &boundingBox() const {return _boundingBox;}
  56         const QString &version() const {return _version;}
  57
  58         bool isValid() const {return _valid;}
  59         const QString &errorString() const {return _errorString;}
  60
  61 private:
  62         struct Layer {
  63                 QString name;
  64                 QString style;
  65                 RangeF scaleDenominator;
  66                 RectC boundingBox;
  67                 bool isDefined;
  68                 bool hasStyle;
  69                 bool hasCRS;
  70
  71                 Layer(const QString &name, const QString &style = QString())
  72                   : name(name), style(style), isDefined(false), hasStyle(false),
  73                   hasCRS(false) {}
  74                 bool operator==(const Layer &other) const
  75                   {return this->name == other.name;}
  76         };
  77
  78         struct CTX {
  79                 const Setup &setup;
  80                 QList<Layer> layers;
  81                 bool formatSupported;
  82
  83                 CTX(const Setup &setup);
  84         };
  85
  86         RectC geographicBoundingBox(QXmlStreamReader &reader);
  87         QString style(QXmlStreamReader &reader);
  88         void getMap(QXmlStreamReader &reader, CTX &ctx);
  89         void request(QXmlStreamReader &reader, CTX &ctx);
  90         void layer(QXmlStreamReader &reader, CTX &ctx, const QList<QString> &pCRSs,
  91           const QList<QString> &pStyles, RangeF &pScaleDenominator,
  92           RectC &pBoundingBox);
  93         void capability(QXmlStreamReader &reader, CTX &ctx);
  94         void capabilities(QXmlStreamReader &reader, CTX &ctx);
  95         bool parseCapabilities(const QString &path, const Setup &setup);
  96         bool getCapabilities(const QString &url, const QString &file,
  97           const Authorization &authorization);
  98
  99         Projection _projection;
 100         RangeF _scaleDenominator;
 101         RectC _boundingBox;
 102         QString _version;
 103
 104         bool _valid;
 105         QString _errorString;
 106
 107         static Downloader *_downloader;
 108 };
 109
 110 #endif // WMS_H