Diffstat (limited to 'noncore/apps/opie-reader/CFilter.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/apps/opie-reader/CFilter.h | 301 |
1 files changed, 224 insertions, 77 deletions
diff --git a/noncore/apps/opie-reader/CFilter.h b/noncore/apps/opie-reader/CFilter.h index 0a03b3e..cec9618 100644 --- a/noncore/apps/opie-reader/CFilter.h +++ b/noncore/apps/opie-reader/CFilter.h @@ -5,24 +5,58 @@ #include "CEncoding.h" -class CFilter : public CCharacterSource +class CFilter_IFace : public CCharacterSource +{ + public: + virtual linkType hyperlink(unsigned int n, unsigned int noff, QString& w, QString& nm) = 0; + virtual void setparent(CCharacterSource* p) = 0; + virtual ~CFilter_IFace() {}; + virtual void locate(unsigned int n) = 0; + virtual bool findanchor(const QString& nm) = 0; + virtual void saveposn(const QString& f, size_t posn) = 0; + virtual void writeposn(const QString& f, size_t posn) = 0; + virtual linkType forward(QString& f, size_t& loc) = 0; + virtual linkType back(QString& f, size_t& loc) = 0; + virtual bool hasnavigation() = 0; + virtual int getwidth() = 0; + virtual CCharacterSource* getparent() = 0; +}; + +class CFilter : public CFilter_IFace { - friend class CFilterChain; protected: CCharacterSource* parent; - linkType hyperlink(unsigned int n, QString& w) + public: + virtual linkType hyperlink(unsigned int n, unsigned int noff, QString& w, QString& nm) { - return parent->hyperlink(n,w); + return parent->hyperlink(n,noff,w,nm); } - public: CFilter() : parent(NULL) {} void setparent(CCharacterSource* p) { parent = p; } + CCharacterSource* getparent() { return parent; } virtual ~CFilter() {}; + virtual void locate(unsigned int n) + { + parent->locate(n); + } + virtual bool findanchor(const QString& nm) + { + return parent->findanchor(nm); + } + virtual void saveposn(const QString& f, size_t posn) { parent->saveposn(f, posn); } + virtual void writeposn(const QString& f, size_t posn) { parent->writeposn(f, posn); } + virtual linkType forward(QString& f, size_t& loc) { return parent->forward(f, loc); } + virtual linkType back(QString& f, size_t& loc) { return parent->back(f, loc); } + virtual bool hasnavigation() { return parent->hasnavigation(); } + virtual int getwidth() { return parent->getwidth(); } + QImage* getPicture(unsigned long tgt) { return parent->getPicture(tgt); } + QImage* getPicture(const QString& href) { return parent->getPicture(href); } + bool getFile(const QString& href) { return parent->getFile(href); } }; class CFilterChain { - CExpander* expander; + CExpander_Interface* expander; CEncoding* encoder; - CFilter* first; + CFilter_IFace* first; CCharacterSource* front; public: @@ -33,15 +67,23 @@ class CFilterChain while (p != encoder) { - CFilter* pnext = (CFilter*)p; - p = ((CFilter*)p)->parent; + CFilter_IFace* pnext = (CFilter_IFace*)p; + p = ((CFilter_IFace*)p)->getparent(); delete pnext; } delete encoder; } - void getch(tchar& ch, CStyle& sty) + linkType hyperlink(unsigned int n, unsigned int noff, QString& wrd, QString& nm) + { + return front->hyperlink(n, noff, wrd, nm); + } + void locate(unsigned int n) + { + front->locate(n); + } + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { - front->getch(ch, sty); + front->getch(ch, sty, pos); } - void addfilter(CFilter* p) + void addfilter(CFilter_IFace* p) { if (first == NULL) @@ -56,5 +98,5 @@ class CFilterChain } } - void setsource(CExpander* p) + void setsource(CExpander_Interface* p) { expander = p; @@ -62,10 +104,20 @@ class CFilterChain } void setencoder(CEncoding* p) - { - delete encoder; - encoder = p; - first->setparent(p); - encoder->setparent(expander); - } + { + delete encoder; + encoder = p; + first->setparent(p); + encoder->setparent(expander); + } + bool findanchor(const QString& nm) + { + return front->findanchor(nm); + } + void saveposn(const QString& f, size_t posn) { front->saveposn(f, posn); } + void writeposn(const QString& f, size_t posn) { front->writeposn(f, posn); } + linkType forward(QString& f, size_t& loc) { return front->forward(f, loc); } + linkType back(QString& f, size_t& loc) { return front->back(f, loc); } + bool hasnavigation() { return front->hasnavigation(); } + QString about() { return QString("Filter chain (c) Tim Wentford\n")+front->about(); } }; @@ -75,12 +127,13 @@ class stripcr : public CFilter stripcr() {} ~stripcr() {} - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { do { - parent->getch(ch, sty); + parent->getch(ch, sty, pos); } while (ch == 13); } + QString about() { return QString("StripCR filter (c) Tim Wentford\n")+parent->about(); } }; @@ -93,5 +146,5 @@ class dehyphen : public CFilter dehyphen() : m_bCharWaiting(false) {} ~dehyphen() {} - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { if (m_bCharWaiting) @@ -102,7 +155,7 @@ class dehyphen : public CFilter return; } - parent->getch(ch, sty); + parent->getch(ch, sty, pos); if (ch != '-') return; - parent->getch(m_nextChar, m_nextSty); + parent->getch(m_nextChar, m_nextSty, pos); if (m_nextChar != 10) { @@ -111,19 +164,22 @@ class dehyphen : public CFilter return; } - parent->getch(ch, sty); + parent->getch(ch, sty, pos); } + QString about() { return QString("Hyphenation filter (c) Tim Wentford\n")+parent->about(); } }; -class striphtml : public CFilter +template<class A, class B>class QMap; + +const int m_cmaxdepth = 8; + +class htmlmark { - CStyle currentstyle; - unsigned short skip_ws(); - unsigned short skip_ws_end(); - unsigned short parse_m(); - void mygetch(tchar& ch, CStyle& sty); + QString file; + size_t pos; public: - striphtml() {} - ~striphtml() {} - void getch(tchar& ch, CStyle& sty); + htmlmark() : file(), pos(0) {} + htmlmark(const QString& _f, size_t _p) : file(_f), pos(_p) {} + QString filename() { return file; } + size_t posn() { return pos; } }; @@ -134,5 +190,5 @@ class unindent : public CFilter unindent() : lc(0) {} ~unindent() {} - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { if (lc == 10) @@ -140,39 +196,25 @@ class unindent : public CFilter do { - parent->getch(ch, sty); + parent->getch(ch, sty, pos); } while (ch == ' '); } - else parent->getch(ch, sty); + else parent->getch(ch, sty, pos); lc = ch; return; } + QString about() { return QString("Unindent filter (c) Tim Wentford\n")+parent->about(); } }; +class CRegExpFilt; class repara : public CFilter { tchar tch; + CRegExpFilt* flt; public: - repara() : tch(0) {} - ~repara() {} - void getch(tchar& ch, CStyle& sty) - { - parent->getch(ch, sty); - if (ch == 10) - { - if (tch == 10) - { - return; - } - else - { - tch = ch; - ch = ' '; - return; - } - } - tch = ch; - return; - } + repara(const QString&); + ~repara(); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Reparagraph filter (c) Tim Wentford\n")+parent->about(); } }; @@ -185,5 +227,5 @@ class indenter : public CFilter indenter(int _a=5) : amnt(_a), indent(0) {} ~indenter() {} - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { if (indent > 0) @@ -194,5 +236,5 @@ class indenter : public CFilter return; } - parent->getch(ch, sty); + parent->getch(ch, sty, pos); if (ch == 10) { @@ -202,4 +244,5 @@ class indenter : public CFilter return; } + QString about() { return QString("Indentation filter (c) Tim Wentford\n")+parent->about(); } }; @@ -211,5 +254,5 @@ class dblspce : public CFilter dblspce() : lastlf(false) {} ~dblspce() {} - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { if (lastlf) @@ -220,5 +263,5 @@ class dblspce : public CFilter return; } - parent->getch(ch, sty); + parent->getch(ch, sty, pos); if (lastlf = (ch == 10)) { @@ -227,4 +270,5 @@ class dblspce : public CFilter return; } + QString about() { return QString("Double space (c) Tim Wentford\n")+parent->about(); } }; @@ -234,9 +278,10 @@ class textfmt : public CFilter tchar lastchar; bool uselast; - void mygetch(tchar&, CStyle&); + void mygetch(tchar&, CStyle&, unsigned long& pos); public: textfmt() : lastchar(0), uselast(false) {} ~textfmt() {} - void getch(tchar& ch, CStyle& sty); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Text formatting filter (c) Tim Wentford\n")+parent->about(); } }; @@ -246,9 +291,10 @@ class embolden : public CFilter embolden() {} ~embolden() {} - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { - parent->getch(ch, sty); + parent->getch(ch, sty, pos); sty.setBold(); } + QString about() { return QString("Emboldening filter (c) Tim Wentford\n")+parent->about(); } }; @@ -261,5 +307,6 @@ class remap : public CFilter remap() : offset(0) { q[0] = 0; } ~remap() {} - void getch(tchar& ch, CStyle& sty); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Character remapping filter (c) Tim Wentford\n")+parent->about(); } }; @@ -269,5 +316,6 @@ class PeanutFormatter : public CFilter public: ~PeanutFormatter() {} - void getch(tchar& ch, CStyle& sty); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("PML filter (c) Tim Wentford\n")+parent->about(); } }; @@ -278,5 +326,6 @@ class OnePara : public CFilter OnePara() : m_lastchar(0) {} ~OnePara() {} - void getch(tchar& ch, CStyle& sty); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Single space filter (c) Tim Wentford\n")+parent->about(); } }; @@ -292,24 +341,25 @@ class DePluck : public CFilter DePluck(tchar* t) : nextpart(t), m_buffer(0), m_buffed(0), m_current(0), m_debuff(false) {} ~DePluck() {} - void getch(tchar& ch, CStyle& sty); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Depluck filter (c) Tim Wentford\n")+parent->about(); } }; -#ifdef REPALM class repalm : public CFilter { public: ~repalm() {} - void getch(tchar& ch, CStyle& sty); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Repalm filter (c) Tim Wentford\n")+parent->about(); } }; -#endif class FullJust : public CFilter { public: - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { - parent->getch(ch, sty); + parent->getch(ch, sty, pos); if (sty.getJustify() == m_AlignLeft) sty.setFullJustify(); } + QString about() { return QString("Full justification filter (c) Tim Wentford\n")+parent->about(); } }; /* @@ -319,10 +369,107 @@ class AddSpace : public CFilter public: AddSpace(unsigned char s) : m_espc(s) {} - void getch(tchar& ch, CStyle& sty) + void getch(tchar& ch, CStyle& sty, unsigned long& pos) { - parent->getch(ch, sty); + parent->getch(ch, sty, pos); sty.setExtraSpace(m_espc); } }; */ + +class QTReader; + +class HighlightFilter : public CFilter +{ + QTReader* pReader; + unsigned long lastpos, nextpos; + unsigned char red, green, blue; + CList<Bkmk>* bkmks; + public: + HighlightFilter(QTReader*); + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + void refresh(unsigned long); + QString about() { return QString("High-lighting filter (c) Tim Wentford\n")+parent->about(); } +}; + +#include "static.h" +#ifndef __STATIC +#include <dlfcn.h> + +class ExternFilter : public CFilter_IFace +{ + CFilter* filt; + void *handle; + public: + linkType hyperlink(unsigned int n, unsigned int noff, QString& w, QString& nm) + { + return filt->hyperlink(n, noff, w, nm); + } + void setparent(CCharacterSource* p) { filt->setparent(p); } + ExternFilter(const QString& nm, const QString& optional); + ~ExternFilter() + { + if (filt != NULL) delete filt; + if (handle != NULL) dlclose(handle); + } + void locate(unsigned int n) { filt->locate(n); } + bool findanchor(const QString& nm) { return filt->findanchor(nm); } + void saveposn(const QString& f, size_t posn) { filt->saveposn(f, posn); } + void writeposn(const QString& f, size_t posn) { filt->writeposn(f, posn); } + linkType forward(QString& f, size_t& loc) { return filt->forward(f, loc); } + linkType back(QString& f, size_t& loc) { return filt->back(f, loc); } + bool hasnavigation() { return filt->hasnavigation(); } + int getwidth() { return filt->getwidth(); } + CCharacterSource* getparent() { return filt->getparent(); } + void getch(tchar& c, CStyle& s, unsigned long& l) { filt->getch(c, s, l); } + QImage* getPicture(unsigned long tgt) { return filt->getPicture(tgt); } + CFilter* filter() { return filt; } + QImage* getPicture(const QString& href) { return filt->getPicture(href); } + bool getFile(const QString& href) { return filt->getFile(href); } + QString about() { return QString("Filter plug-in (c) Tim Wentford\n")+filt->about(); } +}; +#endif + +class kern : public CFilter +{ + tchar lastchar; + bool uselast; + CStyle laststy; + public: + kern() : lastchar(0), uselast(false) {} + ~kern() {} + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Kerning filter (c) Tim Wentford\n")+parent->about(); } +}; + +class makeInverse : public CFilter +{ + public: + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Colourmap inversion filter (c) Tim Wentford\n")+parent->about(); } +}; +/* +class makeNegative : public CFilter +{ + public: + void getch(tchar& ch, CStyle& sty, unsigned long& pos); +}; +*/ +class setbg : public CFilter +{ + int m_r, m_g, m_b; + public: + setbg(int _r, int _g, int _b) : m_r(_r), m_g(_g), m_b(_b) {} + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Background colour filter (c) Tim Wentford\n")+parent->about(); } +}; + +class setfg : public CFilter +{ + int m_r, m_g, m_b; + public: + setfg(int _r, int _g, int _b) : m_r(_r), m_g(_g), m_b(_b) {} + void getch(tchar& ch, CStyle& sty, unsigned long& pos); + QString about() { return QString("Foreground colour filter (c) Tim Wentford\n")+parent->about(); } +}; + #endif |