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CTextParser imps
This commit is contained in:
Jack Andersen
@@ -0,0 +1,330 @@
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#include "CTextParser.hpp"
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#include "CFontImageDef.hpp"
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#include "CTextExecuteBuffer.hpp"
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namespace urde
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{
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CTextColor CTextParser::ParseColor(const wchar_t* str, int len)
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{
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u8 r = GetColorValue(str + 1);
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u8 g = GetColorValue(str + 3);
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u8 b = GetColorValue(str + 5);
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u8 a = 0xff;
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if (len == 9)
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a = GetColorValue(str + 7);
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return CTextColor(r, g, b, a);
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}
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u8 CTextParser::GetColorValue(const wchar_t* str)
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{
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return (FromHex(str[0]) << 4) + FromHex(str[1]);
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}
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u32 CTextParser::FromHex(wchar_t ch)
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{
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if (ch >= L'0' && ch <= L'9')
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return ch - L'0';
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if (ch >= L'A' && ch <= L'F')
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return ch - L'A' + 10;
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if (ch >= L'a' && ch <= L'f')
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return ch - L'a' + 10;
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return 0;
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}
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s32 CTextParser::ParseInt(const wchar_t* str, int len, bool signVal)
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{
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bool neg = false;
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int procCur = 0;
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if (signVal && len && *str == L'-')
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{
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neg = true;
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procCur = 1;
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}
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int val = 0;
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while (len > procCur)
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{
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val *= 10;
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wchar_t ch = str[procCur];
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val += ch - L'0';
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++procCur;
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}
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return neg ? -val : val;
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}
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bool CTextParser::Equals(const wchar_t* str, int len, const wchar_t* other)
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{
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int i=0;
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for (; *other && i<len ; ++i, ++str, ++other)
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{
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if (*str != *other)
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return false;
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}
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return other[i] == L'\0';
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}
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bool CTextParser::BeginsWith(const wchar_t* str, int len, const wchar_t* other)
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{
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int i=0;
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for (; *other && i<len ; ++i, ++str, ++other)
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{
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if (*str != *other)
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return false;
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}
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return true;
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}
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void CTextParser::ParseTag(CTextExecuteBuffer& out, const wchar_t* str, int len)
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{
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if (BeginsWith(str, len, L"font="))
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{
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TToken<CRasterFont> font = GetFont(str + 5, len - 5);
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out.AddFont(font);
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}
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else if (BeginsWith(str, len, L"image="))
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{
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CFontImageDef image = GetImage(str + 6, len - 6);
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out.AddImage(image);
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}
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else if (BeginsWith(str, len, L"fg-color="))
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{
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CTextColor color = ParseColor(str + 9, len - 9);
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out.AddColor(EColorType::Foreground, color);
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}
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else if (BeginsWith(str, len, L"main-color="))
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{
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CTextColor color = ParseColor(str + 11, len - 11);
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out.AddColor(EColorType::Main, color);
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}
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else if (BeginsWith(str, len, L"geometry-color="))
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{
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CTextColor color = ParseColor(str + 15, len - 15);
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out.AddColor(EColorType::Geometry, color);
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}
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else if (BeginsWith(str, len, L"outline-color="))
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{
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CTextColor color = ParseColor(str + 14, len - 14);
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out.AddColor(EColorType::Outline, color);
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}
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else if (BeginsWith(str, len, L"color"))
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{
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const wchar_t* valCur = str + 7;
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len -= 7;
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int val = str[6] - L'0';
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if (str[7] >= L'0' && str[7] <= L'9')
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{
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++valCur;
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--len;
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val *= 10;
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val += str[7] - L'0';
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}
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if (Equals(valCur + 10, len - 10, L"no"))
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out.AddRemoveColorOverride(val);
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else
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{
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CTextColor color = ParseColor(str + 10, len - 10);
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out.AddColorOverride(val, color);
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}
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}
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else if (BeginsWith(str, len, L"line-spacing="))
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{
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out.AddLineSpacing(ParseInt(str + 13, len - 13, true) / 100.0);
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}
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else if (BeginsWith(str, len, L"line-extra-space="))
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{
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out.AddLineSpacing(ParseInt(str + 17, len - 17, true));
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}
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else if (BeginsWith(str, len, L"just="))
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{
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if (Equals(str + 5, len - 5, L"left"))
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out.AddJustification(EJustification::Left);
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else if (Equals(str + 5, len - 5, L"center"))
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out.AddJustification(EJustification::Center);
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else if (Equals(str + 5, len - 5, L"right"))
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out.AddJustification(EJustification::Right);
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else if (Equals(str + 5, len - 5, L"full"))
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out.AddJustification(EJustification::Full);
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else if (Equals(str + 5, len - 5, L"nleft"))
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out.AddJustification(EJustification::NLeft);
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else if (Equals(str + 5, len - 5, L"ncenter"))
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out.AddJustification(EJustification::NCenter);
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else if (Equals(str + 5, len - 5, L"nright"))
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out.AddJustification(EJustification::NRight);
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}
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else if (BeginsWith(str, len, L"vjust="))
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{
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if (Equals(str + 6, len - 6, L"top"))
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out.AddVerticalJustification(EVerticalJustification::Top);
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else if (Equals(str + 6, len - 6, L"center"))
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out.AddVerticalJustification(EVerticalJustification::Center);
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else if (Equals(str + 6, len - 6, L"bottom"))
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out.AddVerticalJustification(EVerticalJustification::Bottom);
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else if (Equals(str + 6, len - 6, L"full"))
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out.AddVerticalJustification(EVerticalJustification::Full);
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else if (Equals(str + 6, len - 6, L"ntop"))
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out.AddVerticalJustification(EVerticalJustification::NTop);
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else if (Equals(str + 6, len - 6, L"ncenter"))
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out.AddVerticalJustification(EVerticalJustification::NCenter);
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else if (Equals(str + 6, len - 6, L"nbottom"))
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out.AddVerticalJustification(EVerticalJustification::NBottom);
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}
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else if (Equals(str, len, L"push"))
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{
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out.AddPushState();
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}
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else if (Equals(str, len, L"pop"))
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{
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out.AddPopState();
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}
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}
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CFontImageDef CTextParser::GetImage(const wchar_t* str, int len)
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{
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int commaCount = 0;
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for (int i=0 ; i<len ; ++i)
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if (str[i] == L',')
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++commaCount;
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if (commaCount)
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{
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std::wstring iterable(str, len);
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size_t tokenPos;
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size_t commaPos;
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commaPos = iterable.find(L',');
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iterable[commaPos] = L'\0';
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tokenPos = commaPos + 1;
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auto AdvanceCommaPos = [&]()
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{
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commaPos = iterable.find(L',', tokenPos);
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if (commaPos == std::wstring::npos)
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commaPos = iterable.size();
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iterable[commaPos] = L'\0';
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};
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auto AdvanceTokenPos = [&]()
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{
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tokenPos = commaPos + 1;
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};
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if (BeginsWith(str, len, L"A"))
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{
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/* Animated texture array */
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AdvanceCommaPos();
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float interval = std::wcstof(&iterable[tokenPos], nullptr);
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AdvanceTokenPos();
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std::vector<TToken<CTexture>> texs;
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texs.reserve(commaCount - 1);
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do
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{
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AdvanceCommaPos();
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texs.push_back(x0_store.GetObj({SBIG('TXTR'),
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GetAssetIdFromString(&iterable[tokenPos])}));
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AdvanceTokenPos();
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} while (commaPos != iterable.size());
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return CFontImageDef(std::move(texs), interval, zeus::CVector2f(1.f, 1.f));
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}
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else if (BeginsWith(str, len, L"SA"))
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{
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/* Scaled and animated texture array */
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AdvanceCommaPos();
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float interval = std::wcstof(&iterable[tokenPos], nullptr);
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AdvanceTokenPos();
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AdvanceCommaPos();
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float scaleX = std::wcstof(&iterable[tokenPos], nullptr);
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AdvanceTokenPos();
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AdvanceCommaPos();
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float scaleY = std::wcstof(&iterable[tokenPos], nullptr);
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AdvanceTokenPos();
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std::vector<TToken<CTexture>> texs;
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texs.reserve(commaCount - 3);
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do
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{
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AdvanceCommaPos();
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texs.push_back(x0_store.GetObj({SBIG('TXTR'),
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GetAssetIdFromString(&iterable[tokenPos])}));
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AdvanceTokenPos();
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} while (commaPos != iterable.size());
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return CFontImageDef(std::move(texs), interval, zeus::CVector2f(scaleX, scaleY));
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}
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else if (BeginsWith(str, len, L"SI"))
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{
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/* Scaled single texture */
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AdvanceCommaPos();
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float scaleX = std::wcstof(&iterable[tokenPos], nullptr);
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AdvanceTokenPos();
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AdvanceCommaPos();
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float scaleY = std::wcstof(&iterable[tokenPos], nullptr);
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AdvanceTokenPos();
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AdvanceCommaPos();
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TToken<CTexture> tex = x0_store.GetObj({SBIG('TXTR'),
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GetAssetIdFromString(&iterable[tokenPos])});
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AdvanceTokenPos();
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return CFontImageDef(std::move(tex), zeus::CVector2f(scaleX, scaleY));
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}
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}
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TToken<CTexture> tex = x0_store.GetObj({SBIG('TXTR'), GetAssetIdFromString(str)});
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return CFontImageDef(std::move(tex), zeus::CVector2f(1.f, 1.f));
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}
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TResId CTextParser::GetAssetIdFromString(const wchar_t* str)
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{
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u8 r = GetColorValue(str);
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u8 g = GetColorValue(str + 2);
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u8 b = GetColorValue(str + 4);
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u8 a = GetColorValue(str + 6);
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return (r << 24) | (g << 16) | (b << 8) | a;
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}
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TToken<CRasterFont> CTextParser::GetFont(const wchar_t* str, int len)
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{
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return x0_store.GetObj({SBIG('FONT'), GetAssetIdFromString(str)});
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}
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void CTextParser::ParseText(CTextExecuteBuffer& out, const wchar_t* str, int len)
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{
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for (int b=0, e=0 ; str[e] && (len == -1 || e < len) ;)
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{
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if (str[e] != L'&')
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{
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++e;
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continue;
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}
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if ((len == -1 || e+1 < len) && str[e+1] != L'&')
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{
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out.AddString(str + b, e - b);
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++e;
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b = e;
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while (str[e] && (len == -1 || e < len) && str[e] != L';')
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++e;
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ParseTag(out, str + e, e - b);
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b = e + 1;
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}
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else
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{
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out.AddString(str + b, e + 1 - b);
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e += 2;
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b = e;
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}
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}
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}
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}
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