forked from Mirrors/openclonk
89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
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* Copyright (c) 2011-2016, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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// markup tags for fonts
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#ifndef INC_STDMARKUP
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#define INC_STDMARKUP
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// one markup tag
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class C4MarkupTag
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{
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public:
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C4MarkupTag *pPrev{nullptr}, *pNext{nullptr};
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C4MarkupTag() = default; // ctor
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virtual ~C4MarkupTag() = default; // dtor
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virtual void Apply(C4BltTransform &rBltTrf, bool fDoClr, DWORD &dwClr)=0; // assign markup
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virtual const char *TagName() const = 0; // get character string for this tag
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virtual std::string OpeningTag() const; // get opening tag, i.e. "<{TagName()}>"
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virtual std::string ClosingTag() const; // get closing tag, i.e. "</{TagName()}>"
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};
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// markup tag for italic text
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class C4MarkupTagItalic : public C4MarkupTag
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{
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public:
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C4MarkupTagItalic() : C4MarkupTag() { } // ctor
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void Apply(C4BltTransform &rBltTrf, bool fDoClr, DWORD &dwClr) override; // assign markup
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const char *TagName() const override { return "i"; }
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};
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// markup tag for colored text
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class C4MarkupTagColor : public C4MarkupTag
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{
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private:
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DWORD dwClr; // color
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public:
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C4MarkupTagColor(DWORD dwClr) : C4MarkupTag(), dwClr(dwClr) { } // ctor
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void Apply(C4BltTransform &rBltTrf, bool fDoClr, DWORD &dwClr) override; // assign markup
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const char *TagName() const override { return "c"; }
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std::string OpeningTag() const override;
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};
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// markup rendering functionality for text
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class C4Markup
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{
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private:
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C4MarkupTag *pTags, *pLast; // tag list; double linked
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bool fDoClr; // set if color changes should be made (not in text shadow!)
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void Push(C4MarkupTag *pTag)
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{ if ((pTag->pPrev=pLast)) pLast->pNext=pTag; else pTags=pTag; pLast=pTag; }
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C4MarkupTag *Pop()
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{ C4MarkupTag *pL=pLast; if (!pL) return nullptr; if ((pLast=pL->pPrev)) pLast->pNext=nullptr; else pTags=nullptr; return pL; }
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public:
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C4Markup(bool fDoClr) { pTags=pLast=nullptr; this->fDoClr=fDoClr; }; // ctor
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~C4Markup() // dtor
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{ C4MarkupTag *pTag=pTags,*pNext; while (pTag) { pNext=pTag->pNext; delete pTag; pTag=pNext; } }
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bool Read(const char **ppText, bool fSkip=false); // get markup from text
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bool SkipTags(const char **ppText); // extract markup from text; return whether end is reached
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void Apply(C4BltTransform &rBltTrf, DWORD &dwClr) // assign markup to vertices
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{ for (C4MarkupTag *pTag=pTags; pTag; pTag=pTag->pNext) pTag->Apply(rBltTrf, fDoClr, dwClr); }
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bool Clean() { return !pTags; } // empty?
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// The following two functions are for splitting a markup string.
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std::string ClosingTags() const; // get all closing tags at the current location
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std::string OpeningTags() const; // get all opening tags at the current location
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static bool StripMarkup(char *szText); // strip any markup codes from given text buffer
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static bool StripMarkup(StdStrBuf *sText); // strip any markup codes from given text buffer
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};
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#endif // INC_STDMARKUP
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