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Upsilon/apps/reader/tex_parser.h
2021-11-11 22:11:10 +01:00

48 lines
1.1 KiB
C++

#ifndef __TEX_PARSER_H__
#define __TEX_PARSER_H__
#include <poincare_layouts.h>
#include <poincare/layout_helper.h>
#include <string.h>
using namespace Poincare;
namespace Reader
{
/// @brief Class used in the WordWrapTextView class to parse a Tex expression
class TexParser {
public:
TexParser(const char * text, const char * endOfText);
Layout getLayout();
private:
Layout popBlock();
Layout popText(char stop);
Layout popCommand();
// Expressions
Layout popFracCommand();
Layout popSqrtCommand();
Layout popOverrightarrowCommand();
//Symbols
Layout popSymbolCommand(int SymbolIndex);
const char * m_text;
const char * m_endOfText;
bool m_hasError;
inline bool isCommandEnded(char c) const;
// Expressions that require specific handling
static constexpr char const * k_fracCommand = "frac";
static constexpr char const * k_sqrtCommand = "sqrt";
static constexpr char const * k_overrightArrowCommand = "overrightarrow";
static constexpr int const k_NumberOfSymbols = 70;
static constexpr int const k_NumberOfFunctionCommands = 32;
};
}
#endif