[apps/reader] Refactoring the parser

apps/reader/tex_parser.cpp

@@ -113,425 +113,26 @@ Layout TexParser::popCommand() {
       return popSqrtCommand();
     }
   }
-  else if (strncmp(k_timesCommand, m_text, strlen(k_timesCommand)) == 0) {
-    m_text += strlen(k_timesCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poptimesCommand();
-    }
-  }
-  else if (strncmp(k_divCommand, m_text, strlen(k_divCommand)) == 0) {
-    m_text += strlen(k_divCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popdivCommand();
-    }
-  }
-  else if (strncmp(k_forallCommand, m_text, strlen(k_forallCommand)) == 0) {
-    m_text += strlen(k_forallCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popforallCommand();
-    }
-  }
-  else if (strncmp(k_partialCommand, m_text, strlen(k_partialCommand)) == 0) {
-    m_text += strlen(k_partialCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poppartialCommand();
-    }
-  }
-  else if (strncmp(k_existsCommand, m_text, strlen(k_existsCommand)) == 0) {
-    m_text += strlen(k_existsCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popexistsCommand();
-    }
-  }
-  else if (strncmp(k_pmCommand, m_text, strlen(k_pmCommand)) == 0) {
-    m_text += strlen(k_pmCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poppmCommand();
-    }
-  }
-  else if (strncmp(k_inftyCommand, m_text, strlen(k_inftyCommand)) == 0) {
-    m_text += strlen(k_inftyCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popinftyCommand();
-    }
-  }
-  else if (strncmp(k_approxCommand, m_text, strlen(k_approxCommand)) == 0) {
-    m_text += strlen(k_approxCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popapproxCommand();
-    }
-  }
-  else if (strncmp(k_neqCommand, m_text, strlen(k_neqCommand)) == 0) {
-    m_text += strlen(k_neqCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popneqCommand();
-    }
-  }
-  else if (strncmp(k_equivCommand, m_text, strlen(k_equivCommand)) == 0) {
-    m_text += strlen(k_equivCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popequivCommand();
-    }
-  }
-  else if (strncmp(k_leqCommand, m_text, strlen(k_leqCommand)) == 0) {
-    m_text += strlen(k_leqCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popleqCommand();
-    }
-  }
-  else if (strncmp(k_geqCommand, m_text, strlen(k_geqCommand)) == 0) {
-    m_text += strlen(k_geqCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popgeqCommand();
-    }
-  }
-  
-  else if (strncmp(k_leftarrowCommand, m_text, strlen(k_leftarrowCommand)) == 0) {
-    m_text += strlen(k_leftarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popleftarrowCommand();
-    }
-  }
-  else if (strncmp(k_uparrowCommand, m_text, strlen(k_uparrowCommand)) == 0) {
-    m_text += strlen(k_uparrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popuparrowCommand();
-    }
-  }
-  else if (strncmp(k_rightarrowCommand, m_text, strlen(k_rightarrowCommand)) == 0) {
-    m_text += strlen(k_rightarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poprightarrowCommand();
-    }
-  }
-  else if (strncmp(k_downarrowCommand, m_text, strlen(k_downarrowCommand)) == 0) {
-    m_text += strlen(k_downarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popdownarrowCommand();
-    }
-  }
-  else if (strncmp(k_leftrightarrowCommand, m_text, strlen(k_leftrightarrowCommand)) == 0) {
-    m_text += strlen(k_leftrightarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popleftrightarrowCommand();
-    }
-  }
-  else if (strncmp(k_updownarrowCommand, m_text, strlen(k_updownarrowCommand)) == 0) {
-    m_text += strlen(k_updownarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popupdownarrowCommand();
-    }
-  }  
-  else if (strncmp(k_LeftarrowCommand, m_text, strlen(k_LeftarrowCommand)) == 0) {
-    m_text += strlen(k_LeftarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popLeftarrowCommand();
-    }
-  }
-  else if (strncmp(k_UparrowCommand, m_text, strlen(k_UparrowCommand)) == 0) {
-    m_text += strlen(k_UparrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popUparrowCommand();
-    }
-  }
-  else if (strncmp(k_RightarrowCommand, m_text, strlen(k_RightarrowCommand)) == 0) {
-    m_text += strlen(k_RightarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popRightarrowCommand();
-    }
-  }
-  else if (strncmp(k_DownarrowCommand, m_text, strlen(k_DownarrowCommand)) == 0) {
-    m_text += strlen(k_DownarrowCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popDownarrowCommand();
+
+  for (int i = 0; i < k_NumberOfSymbols; i++) {
+    if (strncmp(k_SymbolsCommands[i], m_text, strlen(k_SymbolsCommands[i])) == 0) {
+      m_text += strlen(m_text);
+      if (*m_text == ' ' || *m_text == '{') {
+        return popSymbolCommand(i);
+      }
     }
   }
 
-  // Greek capital letters
-  else if (strncmp(k_AlphaCommand, m_text, strlen(k_AlphaCommand)) == 0) {
-    m_text += strlen(k_AlphaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popAlphaCommand();
+  for (int i = 0; i < k_NumberOfFunctionCommands; i++) {
+    if (strncmp(k_FunctionCommands[i], m_text, strlen(k_FunctionCommands[i])) == 0) {
+      m_text += strlen(k_FunctionCommands[i]);
+      if (*m_text == ' ' || *m_text == '(' || *m_text == '{') {
+        return LayoutHelper::String(k_FunctionCommands[i], strlen(k_FunctionCommands[i]));
+      }
     }
-  } 
-  else if (strncmp(k_BetaCommand, m_text, strlen(k_BetaCommand)) == 0) {
-    m_text += strlen(k_BetaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popBetaCommand();
-    }
-  } 
-  else if (strncmp(k_GammaCommand, m_text, strlen(k_GammaCommand)) == 0) {
-    m_text += strlen(k_GammaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popGammaCommand();
-    }
-  } 
-  else if (strncmp(k_DeltaCommand, m_text, strlen(k_DeltaCommand)) == 0) {
-    m_text += strlen(k_DeltaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popDeltaCommand();
-    }
-  } 
-  else if (strncmp(k_EpsilonCommand, m_text, strlen(k_EpsilonCommand)) == 0) {
-    m_text += strlen(k_EpsilonCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popEpsilonCommand();
-    }
-  } 
-  else if (strncmp(k_ZetaCommand, m_text, strlen(k_ZetaCommand)) == 0) {
-    m_text += strlen(k_ZetaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popZetaCommand();
-    }
-  } 
-  else if (strncmp(k_EtaCommand, m_text, strlen(k_EtaCommand)) == 0) {
-    m_text += strlen(k_EtaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popEtaCommand();
-    }
-  }
-  else if (strncmp(k_ThetaCommand, m_text, strlen(k_ThetaCommand)) == 0) {
-    m_text += strlen(k_ThetaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popThetaCommand();
-    }
-  }
-  else if (strncmp(k_IotaCommand, m_text, strlen(k_IotaCommand)) == 0) {
-    m_text += strlen(k_IotaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popIotaCommand();
-    }
-  }
-  else if (strncmp(k_KappaCommand, m_text, strlen(k_KappaCommand)) == 0) {
-    m_text += strlen(k_KappaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popKappaCommand();
-    }
-  }
-  else if (strncmp(k_LambdaCommand, m_text, strlen(k_LambdaCommand)) == 0) {
-    m_text += strlen(k_LambdaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popLambdaCommand();
-    }
-  }
-  else if (strncmp(k_MuCommand, m_text, strlen(k_MuCommand)) == 0) {
-    m_text += strlen(k_MuCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popMuCommand();
-    }
-  }
-  else if (strncmp(k_NuCommand, m_text, strlen(k_NuCommand)) == 0) {
-    m_text += strlen(k_NuCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popNuCommand();
-    }
-  }
-  else if (strncmp(k_XiCommand, m_text, strlen(k_XiCommand)) == 0) {
-    m_text += strlen(k_XiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popXiCommand();
-    }
-  }
-  else if (strncmp(k_PiCommand, m_text, strlen(k_PiCommand)) == 0) {
-    m_text += strlen(k_PiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popPiCommand();
-    }
-  }
-  else if (strncmp(k_OmicronCommand, m_text, strlen(k_OmicronCommand)) == 0) {
-    m_text += strlen(k_OmicronCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popOmicronCommand();
-    }
-  }
-  else if (strncmp(k_RhoCommand, m_text, strlen(k_RhoCommand)) == 0) {
-    m_text += strlen(k_RhoCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popRhoCommand();
-    }
-  }
-  else if (strncmp(k_SigmaCommand, m_text, strlen(k_SigmaCommand)) == 0) {
-    m_text += strlen(k_SigmaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popSigmaCommand();
-    }
-  }
-  else if (strncmp(k_TauCommand, m_text, strlen(k_TauCommand)) == 0) {
-    m_text += strlen(k_TauCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popTauCommand();
-    }
-  }
-  else if (strncmp(k_UpsilonCommand, m_text, strlen(k_UpsilonCommand)) == 0) {
-    m_text += strlen(k_UpsilonCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popUpsilonCommand();
-    }
-  }
-  else if (strncmp(k_PhiCommand, m_text, strlen(k_PhiCommand)) == 0) {
-    m_text += strlen(k_PhiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popPhiCommand();
-    }
-  }
-  else if (strncmp(k_ChiCommand, m_text, strlen(k_ChiCommand)) == 0) {
-    m_text += strlen(k_ChiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popChiCommand();
-    }
-  }
-  else if (strncmp(k_PsiCommand, m_text, strlen(k_PsiCommand)) == 0) {
-    m_text += strlen(k_PsiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popPsiCommand();
-    }
-  }
-  else if (strncmp(k_OmegaCommand, m_text, strlen(k_OmegaCommand)) == 0) {
-    m_text += strlen(k_OmegaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popOmegaCommand();
-    }
-  }
-  else if (strncmp(k_alphaCommand, m_text, strlen(k_alphaCommand)) == 0) {
-    m_text += strlen(k_alphaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popalphaCommand();
-    }
-  } 
-  else if (strncmp(k_betaCommand, m_text, strlen(k_betaCommand)) == 0) {
-    m_text += strlen(k_betaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popbetaCommand();
-    }
-  } 
-  else if (strncmp(k_gammaCommand, m_text, strlen(k_gammaCommand)) == 0) {
-    m_text += strlen(k_gammaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popgammaCommand();
-    }
-  } 
-  else if (strncmp(k_deltaCommand, m_text, strlen(k_deltaCommand)) == 0) {
-    m_text += strlen(k_deltaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popdeltaCommand();
-    }
-  } 
-  else if (strncmp(k_epsilonCommand, m_text, strlen(k_epsilonCommand)) == 0) {
-    m_text += strlen(k_epsilonCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popepsilonCommand();
-    }
-  } 
-  else if (strncmp(k_zetaCommand, m_text, strlen(k_zetaCommand)) == 0) {
-    m_text += strlen(k_zetaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popzetaCommand();
-    }
-  } 
-  else if (strncmp(k_etaCommand, m_text, strlen(k_etaCommand)) == 0) {
-    m_text += strlen(k_etaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popetaCommand();
-    }
-  }
-  else if (strncmp(k_thetaCommand, m_text, strlen(k_thetaCommand)) == 0) {
-    m_text += strlen(k_thetaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popthetaCommand();
-    }
-  }
-  else if (strncmp(k_iotaCommand, m_text, strlen(k_iotaCommand)) == 0) {
-    m_text += strlen(k_iotaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popiotaCommand();
-    }
-  }
-  else if (strncmp(k_kappaCommand, m_text, strlen(k_kappaCommand)) == 0) {
-    m_text += strlen(k_kappaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popkappaCommand();
-    }
-  }
-  else if (strncmp(k_lambdaCommand, m_text, strlen(k_lambdaCommand)) == 0) {
-    m_text += strlen(k_lambdaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poplambdaCommand();
-    }
-  }
-  else if (strncmp(k_muCommand, m_text, strlen(k_muCommand)) == 0) {
-    m_text += strlen(k_muCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popmuCommand();
-    }
-  }
-  else if (strncmp(k_nuCommand, m_text, strlen(k_nuCommand)) == 0) {
-    m_text += strlen(k_nuCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popnuCommand();
-    }
-  }
-  else if (strncmp(k_xiCommand, m_text, strlen(k_xiCommand)) == 0) {
-    m_text += strlen(k_xiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popxiCommand();
-    }
-  }
-  else if (strncmp(k_piCommand, m_text, strlen(k_piCommand)) == 0) {
-    m_text += strlen(k_piCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poppiCommand();
-    }
-  }
-  else if (strncmp(k_rhoCommand, m_text, strlen(k_rhoCommand)) == 0) {
-    m_text += strlen(k_rhoCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poprhoCommand();
-    }
-  }
-  else if (strncmp(k_sigmaCommand, m_text, strlen(k_sigmaCommand)) == 0) {
-    m_text += strlen(k_sigmaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popsigmaCommand();
-    }
-  }
-  else if (strncmp(k_tauCommand, m_text, strlen(k_tauCommand)) == 0) {
-    m_text += strlen(k_tauCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poptauCommand();
-    }
-  }
-  else if (strncmp(k_upsilonCommand, m_text, strlen(k_upsilonCommand)) == 0) {
-    m_text += strlen(k_upsilonCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popupsilonCommand();
-    }
-  }
-  else if (strncmp(k_phiCommand, m_text, strlen(k_phiCommand)) == 0) {
-    m_text += strlen(k_phiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popphiCommand();
-    }
-  }
-  else if (strncmp(k_chiCommand, m_text, strlen(k_chiCommand)) == 0) {
-    m_text += strlen(k_chiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popchiCommand();
-    }
-  }
-  else if (strncmp(k_psiCommand, m_text, strlen(k_psiCommand)) == 0) {
-    m_text += strlen(k_psiCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return poppsiCommand();
-    }
-  }
-  else if (strncmp(k_omegaCommand, m_text, strlen(k_omegaCommand)) == 0) {
-    m_text += strlen(k_omegaCommand);
-    if (*m_text == ' ' || *m_text == '\\' || *m_text == '$') {
-      return popomegaCommand();
-    }
-  }
-  
-  m_hasError = true;
+  }	
+
+  m_hasError = true; 
   return LayoutHelper::String(m_text, strlen(m_text));
 }
 
@@ -558,283 +159,9 @@ Layout TexParser::popSqrtCommand() {
   }
 }
 
-// Symbols
-Layout TexParser::poptimesCommand() {
-  return CodePointLayout::Builder(CodePoint(0xd7));
-}
-
-Layout TexParser::popdivCommand() {
-  return CodePointLayout::Builder(CodePoint(0xf7));
-}
-
-Layout TexParser::popforallCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2200));
-}
-
-Layout TexParser::poppartialCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2202));
-}
-
-Layout TexParser::popexistsCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2203));
-}
-
-Layout TexParser::poppmCommand() {
-  return CodePointLayout::Builder(CodePoint(0xb1));
-}
-
-Layout TexParser::popapproxCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2248));
-}
-
-Layout TexParser::popinftyCommand() {
-  return CodePointLayout::Builder(CodePoint(0x221e));
-}
-
-Layout TexParser::popneqCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2260));
-}
-
-Layout TexParser::popequivCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2261));
-}
-
-Layout TexParser::popleqCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2264));
-}
-
-Layout TexParser::popgeqCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2265));
-}
-
-Layout TexParser::popleftarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2190));
-}
-
-Layout TexParser::popuparrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2191));
-}
-
-Layout TexParser::poprightarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2192));
-}
-
-Layout TexParser::popdownarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2193));
-}
-
-Layout TexParser::popleftrightarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2194));
-}
-
-Layout TexParser::popupdownarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x2195));
-}
-
-Layout TexParser::popLeftarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x21d0));
-}
-
-Layout TexParser::popUparrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x21d1));
-}
-
-Layout TexParser::popRightarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x21d2));
-}
-
-Layout TexParser::popDownarrowCommand() {
-  return CodePointLayout::Builder(CodePoint(0x21d3));
-}
-
-// Greek Capital letters
-Layout TexParser::popAlphaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x391));
-}
-
-Layout TexParser::popBetaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x392));
-}
-
-Layout TexParser::popGammaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x393));
-}
-
-Layout TexParser::popDeltaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x394));
-}
-
-Layout TexParser::popEpsilonCommand() {
-  return CodePointLayout::Builder(CodePoint(0x395));
-}
-
-Layout TexParser::popZetaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x396));
-}
-
-Layout TexParser::popEtaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x397));
-}
-
-Layout TexParser::popThetaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x398));
-}
-
-Layout TexParser::popIotaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x399));
-}
-
-Layout TexParser::popKappaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x39a));
-}
-
-Layout TexParser::popLambdaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x39b));
-}
-
-Layout TexParser::popMuCommand(){
-  return CodePointLayout::Builder(CodePoint(0x39c));
-}
-
-Layout TexParser::popNuCommand(){
-  return CodePointLayout::Builder(CodePoint(0x39d));
-}
-
-Layout TexParser::popXiCommand() {
-  return CodePointLayout::Builder(CodePoint(0x39e));
-}
-
-Layout TexParser::popOmicronCommand() {
-  return CodePointLayout::Builder(CodePoint(0x39f));
-}
-
-Layout TexParser::popPiCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3a0));
-}
-
-Layout TexParser::popRhoCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a1));
-}
-
-Layout TexParser::popSigmaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a3));
-}
-
-Layout TexParser::popTauCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a4));
-}
-
-Layout TexParser::popUpsilonCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a5));
-}
-
-Layout TexParser::popPhiCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a6));
-}
-
-Layout TexParser::popChiCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a7));
-}
-
-Layout TexParser::popPsiCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a8));
-}
-
-Layout TexParser::popOmegaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3a9));
-}
-
-// Greek small letters
-Layout TexParser::popalphaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b1));
-}
-
-Layout TexParser::popbetaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b2));
-}
-
-Layout TexParser::popgammaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b3));
-}
-
-Layout TexParser::popdeltaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b4));
-}
-
-Layout TexParser::popepsilonCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b5));
-}
-
-Layout TexParser::popzetaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b6));
-}
-
-Layout TexParser::popetaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b7));
-}
-
-Layout TexParser::popthetaCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3b8));
-}
-
-Layout TexParser::popiotaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3b9));
-}
-
-Layout TexParser::popkappaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3ba));
-}
-
-Layout TexParser::poplambdaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3bb));
-}
-
-Layout TexParser::popmuCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3bc));
-}
-
-Layout TexParser::popnuCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3bd));
-}
-
-Layout TexParser::popxiCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3be));
-}
-
-Layout TexParser::poppiCommand() {
-  return CodePointLayout::Builder(CodePoint(0x3c0));
-}
-
-Layout TexParser::poprhoCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c1));
-}
-
-Layout TexParser::popsigmaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c3));
-}
-
-Layout TexParser::poptauCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c4));
-}
-
-Layout TexParser::popupsilonCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c5));
-}
-
-Layout TexParser::popphiCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c6));
-}
-
-Layout TexParser::popchiCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c7));
-}
-
-Layout TexParser::poppsiCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c8));
-}
-
-Layout TexParser::popomegaCommand(){
-  return CodePointLayout::Builder(CodePoint(0x3c9));
+Layout TexParser::popSymbolCommand(int SymbolIndex) {
+  uint32_t codePoint = k_SymbolsCodePoints[SymbolIndex];
+  return CodePointLayout::Builder(codePoint);
 }
 
 

apps/reader/tex_parser.h

@@ -23,170 +23,47 @@ private:
   Layout popFracCommand();
   Layout popSqrtCommand();
 
-  // Symbols
-  Layout poptimesCommand();
-  Layout popdivCommand();
-  Layout popforallCommand();
-  Layout poppartialCommand();
-  Layout popexistsCommand();
-  Layout poppmCommand();
-  Layout popinftyCommand();
-  Layout popapproxCommand();
-  Layout popneqCommand();
-  Layout popequivCommand();
-  Layout popleqCommand();  
-  Layout popgeqCommand();
-
-  // Arrows
-  Layout popleftarrowCommand();
-  Layout popuparrowCommand();
-  Layout poprightarrowCommand();
-  Layout popdownarrowCommand();
-  Layout popleftrightarrowCommand();
-  Layout popupdownarrowCommand();
-  Layout popLeftarrowCommand();
-  Layout popUparrowCommand();
-  Layout popRightarrowCommand();
-  Layout popDownarrowCommand();
-
-  // Greek capital letters
-
-  Layout popAlphaCommand();
-  Layout popBetaCommand();
-  Layout popGammaCommand();
-  Layout popDeltaCommand();
-  Layout popEpsilonCommand();
-  Layout popZetaCommand();
-  Layout popEtaCommand();
-  Layout popThetaCommand();
-  Layout popIotaCommand();
-  Layout popKappaCommand();
-  Layout popLambdaCommand();
-  Layout popMuCommand();
-  Layout popNuCommand();
-  Layout popXiCommand();
-  Layout popOmicronCommand();
-  Layout popPiCommand();
-  Layout popRhoCommand();
-  Layout popSigmaCommand();
-  Layout popTauCommand();
-  Layout popUpsilonCommand();
-  Layout popPhiCommand();
-  Layout popChiCommand();
-  Layout popPsiCommand();
-  Layout popOmegaCommand();
-
-  // Greek small letters
-  Layout popalphaCommand();
-  Layout popbetaCommand();
-  Layout popgammaCommand();
-  Layout popdeltaCommand();
-  Layout popepsilonCommand();
-  Layout popzetaCommand();
-  Layout popetaCommand();
-  Layout popthetaCommand();
-  Layout popiotaCommand();
-  Layout popkappaCommand();
-  Layout poplambdaCommand();
-  Layout popmuCommand();
-  Layout popnuCommand();
-  Layout popxiCommand();
-  Layout poppiCommand();
-  Layout poprhoCommand();
-  Layout popsigmaCommand();
-  Layout poptauCommand();
-  Layout popupsilonCommand();
-  Layout popphiCommand();
-  Layout popchiCommand();
-  Layout poppsiCommand();
-  Layout popomegaCommand();
+  //Symbols
+  Layout popSymbolCommand(int SymbolIndex);
 
   const char * m_text;
   const char * m_endOfText;
   bool m_hasError;
 
-  // Expressions
+  // Expressions that require specific handling
   static constexpr char const * k_fracCommand = "frac";
   static constexpr char const * k_sqrtCommand = "sqrt";
 
-  // Symbols
-  static constexpr char const * k_timesCommand = "times";
-  static constexpr char const * k_divCommand = "div";
-  static constexpr char const * k_forallCommand = "forall";
-  static constexpr char const * k_partialCommand = "partial";
-  static constexpr char const * k_existsCommand = "exists";
-  static constexpr char const * k_pmCommand = "pm";
-  static constexpr char const * k_inftyCommand = "infty";
-  static constexpr char const * k_approxCommand = "approx";
-  static constexpr char const * k_neqCommand = "neq";
-  static constexpr char const * k_equivCommand = "equiv";
-  static constexpr char const * k_leqCommand = "leq";
-  static constexpr char const * k_geqCommand = "geq";
+  static constexpr int const k_NumberOfSymbols = 70;
+  static constexpr int const k_NumberOfFunctionCommands = 32;
 
+  // List of available Symbols
+  static constexpr char const * k_SymbolsCommands[k_NumberOfSymbols] = {
+    "times", "div", "forall", "partial", "exists", "pm", "approx", "infty", "neq", "equiv", "leq", "geq", 
+    "leftarrow", "uparrow", "rightarrow", "downarrow", "leftrightarrow", "updownarrow", "Leftarrow", "Uparrow", "Rightarrow", "Downarrow",
+    "Alpha", "Beta", "Gamma", "Delta", "Epsilon", "Zeta", "Eta", "Theta", "Iota", "Kappa", "Lambda", 
+    "Mu", "Nu", "Xi", "Omicron", "Pi", "Rho", "Sigma", "Tau", "Upsilon", "Phi", "Chi", "Psi","Omega",
+    "alpha", "beta", "gamma", "delta", "epsilon", "zeta", "eta", "theta", "iota", "kappa", "lambda", 
+    "mu", "nu", "xi", "omicron", "pi", "rho", "sigma", "tau", "upsilon", "phi", "chi", "psi", "omega",
+  };
 
-  // Arrows
-  static constexpr char const * k_leftarrowCommand = "leftarrow";
-  static constexpr char const * k_uparrowCommand = "uparrow";
-  static constexpr char const * k_rightarrowCommand = "rightarrow";
-  static constexpr char const * k_downarrowCommand = "downarrow";
-  static constexpr char const * k_leftrightarrowCommand = "leftrightarrow";
-  static constexpr char const * k_updownarrowCommand = "updownarrow";
-  static constexpr char const * k_LeftarrowCommand = "Leftarrow";
-  static constexpr char const * k_UparrowCommand = "Uparrow";
-  static constexpr char const * k_RightarrowCommand = "Rightarrow";
-  static constexpr char const * k_DownarrowCommand = "Downarrow";
-  // Greek capital letters
-
-  static constexpr char const * k_AlphaCommand = "Alpha";
-  static constexpr char const * k_BetaCommand = "Beta";
-  static constexpr char const * k_GammaCommand = "Gamma";
-  static constexpr char const * k_DeltaCommand = "Delta";
-  static constexpr char const * k_EpsilonCommand = "Epsilon";
-  static constexpr char const * k_ZetaCommand = "Zeta";
-  static constexpr char const * k_EtaCommand = "Eta";
-  static constexpr char const * k_ThetaCommand = "Theta";
-  static constexpr char const * k_IotaCommand = "Iota";
-  static constexpr char const * k_KappaCommand = "Kappa";
-  static constexpr char const * k_LambdaCommand = "Lambda";
-  static constexpr char const * k_MuCommand = "Mu";
-  static constexpr char const * k_NuCommand = "Nu";
-  static constexpr char const * k_XiCommand = "Xi";
-  static constexpr char const * k_OmicronCommand = "Omicron";
-  static constexpr char const * k_PiCommand = "Pi";
-  static constexpr char const * k_RhoCommand = "Rho";
-  static constexpr char const * k_SigmaCommand = "Sigma";
-  static constexpr char const * k_TauCommand = "Tau";
-  static constexpr char const * k_UpsilonCommand = "Upsilon";
-  static constexpr char const * k_PhiCommand = "Phi";
-  static constexpr char const * k_ChiCommand = "Chi";
-  static constexpr char const * k_PsiCommand = "Psi";
-  static constexpr char const * k_OmegaCommand = "Omega";
-
-  // Greek small letters
-  static constexpr char const * k_alphaCommand = "alpha";
-  static constexpr char const * k_betaCommand = "beta";
-  static constexpr char const * k_gammaCommand = "gamma";
-  static constexpr char const * k_deltaCommand = "delta";
-  static constexpr char const * k_epsilonCommand = "epsilon";
-  static constexpr char const * k_zetaCommand = "zeta";
-  static constexpr char const * k_etaCommand = "eta";
-  static constexpr char const * k_thetaCommand = "theta";
-  static constexpr char const * k_iotaCommand = "iota";
-  static constexpr char const * k_kappaCommand = "kappa";
-  static constexpr char const * k_lambdaCommand = "lambda";
-  static constexpr char const * k_muCommand = "mu";
-  static constexpr char const * k_nuCommand = "nu";
-  static constexpr char const * k_xiCommand = "xi";
-  // static constexpr char const * k_omicronCommand = "omicron"; // just write "o" 
-  static constexpr char const * k_piCommand = "pi";
-  static constexpr char const * k_rhoCommand = "rho";
-  static constexpr char const * k_sigmaCommand = "sigma";
-  static constexpr char const * k_tauCommand = "tau";
-  static constexpr char const * k_upsilonCommand = "upsilon";
-  static constexpr char const * k_phiCommand = "phi";
-  static constexpr char const * k_chiCommand = "chi";
-  static constexpr char const * k_psiCommand = "psi";
-  static constexpr char const * k_omegaCommand = "omega";
+  //List of the available Symbol's CodePoints in the same order of the Symbol's list
+  static constexpr uint32_t const k_SymbolsCodePoints[k_NumberOfSymbols] = {
+    0xd7, 0xf7, 0x2200, 0x2202, 0x2203, 0xb1, 0x2248, 0x221e, 0x2260, 0x2261, 0x2264, 0x2265, 
+    0x2190, 0x2191, 0x2192, 0x2193, 0x2194, 0x2195, 0x21d0, 0x21d1, 0x21d2, 0x21d3, 
+    0x391, 0x392, 0x393, 0x394, 0x395, 0x396, 0x397, 0x398, 0x399, 0x39a, 0x39b, 
+    0x39c, 0x39d, 0x39e, 0x39f, 0x3a0, 0x3a1, 0x3a3, 0x3a4, 0x3a5, 0x3a6, 0x3a7, 0x3a8, 0x3a9, 
+    0x3b1, 0x3b2, 0x3b3, 0x3b4, 0x3b5, 0x3b6, 0x3b7, 0x3b8, 0x3b9, 0x3ba, 0x3bb, 
+    0x3bc, 0x3bd, 0x3be, 0x3bf, 0x3c0, 0x3c1, 0x3c3, 0x3c4, 0x3c5, 0x3c6, 0x3c7, 0x3c8, 0x3c9
+  };
+  
+  // List of available Function Commands that don't require a specific handling
+  static constexpr char const * k_FunctionCommands[k_NumberOfFunctionCommands] = {
+    "arcos", "arcsin", "arctan", "arg", "cos", "cosh", "cot", "coth", 
+    "csc", "deg", "det", "dim", "exp", "gcd", "hom", "inf", 
+    "ker", "lg", "lim", "liminf", "limsup", "ln", "log", "max", 
+    "min", "Pr", "sec", "sin", "sinh", "sup", "tan", "tanh"
+  };
 
 };