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Code Issues Releases Wiki Activity

Reduce code duplication

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7220-lua-add-a-general-purpose-lexical-parser
Evil Eye 2 years ago
parent 32ac7406ab
commit d3bc79e9b2
1 changed files with 86 additions and 169 deletions
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241
components/interpreter/defines.cpp
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@ -4,12 +4,14 @@
#include <sstream>
#include <string>
#include <string_view>
#include <tuple>
#include <variant>
#include <vector>
#include <components/debug/debuglog.hpp>
#include <components/misc/strings/algorithm.hpp>
namespace Interpreter
namespace
{
bool check(std::string_view str, std::string_view escword, size_t& i, size_t& start)
@ -24,190 +26,104 @@ namespace Interpreter
}
std::vector<std::string> globals;
const std::initializer_list<std::tuple<std::string_view, std::string_view>> sActionBindings{
{ "actionslideright", "#{sRight}" },
{ "actionreadymagic", "#{sReady_Magic}" },
{ "actionprevweapon", "#{sPrevWeapon}" },
{ "actionnextweapon", "#{sNextWeapon}" },
{ "actiontogglerun", "#{sAuto_Run}" },
{ "actionslideleft", "#{sLeft}" },
{ "actionreadyitem", "#{sReady_Weapon}" },
{ "actionprevspell", "#{sPrevSpell}" },
{ "actionnextspell", "#{sNextSpell}" },
{ "actionrestmenu", "#{sRestKey}" },
{ "actionmenumode", "#{sInventory}" },
{ "actionactivate", "#{sActivate}" },
{ "actionjournal", "#{sJournal}" },
{ "actionforward", "#{sForward}" },
{ "actioncrouch", "#{sCrouch_Sneak}" },
{ "actionjump", "#{sJump}" },
{ "actionback", "#{sBack}" },
{ "actionuse", "#{sUse}" },
{ "actionrun", "#{sRun}" },
};
template <class T>
using ContextMethod = T (Interpreter::Context::*)() const;
const std::initializer_list<
std::tuple<std::string_view, std::variant<ContextMethod<int>, ContextMethod<std::string_view>>>>
sContextMethods{
{ "pccrimelevel", &Interpreter::Context::getPCBounty },
{ "pcclass", &Interpreter::Context::getPCClass },
{ "pcrace", &Interpreter::Context::getPCRace },
{ "pcname", &Interpreter::Context::getPCName },
{ "cell", &Interpreter::Context::getCurrentCellName },
};
const std::initializer_list<
std::tuple<std::string_view, std::pair<ContextMethod<std::string_view>, ContextMethod<std::string_view>>>>
sVariableContextMethods{
{ "faction", { &Interpreter::Context::getNPCFaction, nullptr } },
{ "nextpcrank", { &Interpreter::Context::getPCNextRank, nullptr } },
{ "pcnextrank", { &Interpreter::Context::getPCNextRank, nullptr } },
{ "pcrank", { &Interpreter::Context::getPCRank, nullptr } },
{ "rank", { &Interpreter::Context::getNPCRank, nullptr } },
{ "class", { &Interpreter::Context::getNPCClass, &Interpreter::Context::getPCClass } },
{ "race", { &Interpreter::Context::getNPCRace, &Interpreter::Context::getPCRace } },
{ "name", { &Interpreter::Context::getActorName, &Interpreter::Context::getPCName } },
};
bool longerStr(std::string_view a, std::string_view b)
{
return a.length() > b.length();
}
static std::string fixDefinesReal(std::string_view text, bool dialogue, Context& context)
{
size_t start = 0;
std::ostringstream retval;
for (size_t i = 0; i < text.length(); ++i)
{
char eschar = text[i];
if (eschar == '%' || eschar == '^')
{
retval << text.substr(start, i - start);
std::string_view temp = text.substr(i + 1, 100);
bool found = false;
try
{
if ((found = check(temp, "actionslideright", i, start)))
{
retval << context.getActionBinding("#{sRight}");
}
else if ((found = check(temp, "actionreadymagic", i, start)))
{
retval << context.getActionBinding("#{sReady_Magic}");
}
else if ((found = check(temp, "actionprevweapon", i, start)))
{
retval << context.getActionBinding("#{sPrevWeapon}");
}
else if ((found = check(temp, "actionnextweapon", i, start)))
{
retval << context.getActionBinding("#{sNextWeapon}");
}
else if ((found = check(temp, "actiontogglerun", i, start)))
{
retval << context.getActionBinding("#{sAuto_Run}");
}
else if ((found = check(temp, "actionslideleft", i, start)))
{
retval << context.getActionBinding("#{sLeft}");
}
else if ((found = check(temp, "actionreadyitem", i, start)))
{
retval << context.getActionBinding("#{sReady_Weapon}");
}
else if ((found = check(temp, "actionprevspell", i, start)))
{
retval << context.getActionBinding("#{sPrevSpell}");
}
else if ((found = check(temp, "actionnextspell", i, start)))
{
retval << context.getActionBinding("#{sNextSpell}");
}
else if ((found = check(temp, "actionrestmenu", i, start)))
{
retval << context.getActionBinding("#{sRestKey}");
}
else if ((found = check(temp, "actionmenumode", i, start)))
{
retval << context.getActionBinding("#{sInventory}");
}
else if ((found = check(temp, "actionactivate", i, start)))
{
retval << context.getActionBinding("#{sActivate}");
}
else if ((found = check(temp, "actionjournal", i, start)))
{
retval << context.getActionBinding("#{sJournal}");
}
else if ((found = check(temp, "actionforward", i, start)))
{
retval << context.getActionBinding("#{sForward}");
}
else if ((found = check(temp, "pccrimelevel", i, start)))
bool findReplacement(std::string_view temp, size_t& i, size_t& start, Interpreter::Context& context,
std::ostringstream& retval, bool dialogue)
{
retval << context.getPCBounty();
}
else if ((found = check(temp, "actioncrouch", i, start)))
for (const auto& [name, binding] : sActionBindings)
{
retval << context.getActionBinding("#{sCrouch_Sneak}");
}
else if ((found = check(temp, "actionjump", i, start)))
if (check(temp, name, i, start))
{
retval << context.getActionBinding("#{sJump}");
retval << context.getActionBinding(binding);
return true;
}
else if ((found = check(temp, "actionback", i, start)))
{
retval << context.getActionBinding("#{sBack}");
}
else if ((found = check(temp, "actionuse", i, start)))
for (const auto& [name, variant] : sContextMethods)
{
retval << context.getActionBinding("#{sUse}");
}
else if ((found = check(temp, "actionrun", i, start)))
if (check(temp, name, i, start))
{
retval << context.getActionBinding("#{sRun}");
std::visit([&](auto&& method) { retval << (context.*method)(); }, variant);
return true;
}
else if ((found = check(temp, "pcclass", i, start)))
{
retval << context.getPCClass();
}
else if ((found = check(temp, "pcrace", i, start)))
for (const auto& [name, methods] : sVariableContextMethods)
{
retval << context.getPCRace();
}
else if ((found = check(temp, "pcname", i, start)))
const auto& method = dialogue ? methods.first : methods.second;
if (check(temp, name, i, start))
{
retval << context.getPCName();
if (method) // Not all variables are available outside of dialogue
retval << (context.*method)();
return true;
}
else if ((found = check(temp, "cell", i, start)))
{
retval << context.getCurrentCellName();
}
else if (dialogue)
{ // In Dialogue, not messagebox
if ((found = check(temp, "faction", i, start)))
{
retval << context.getNPCFaction();
}
else if ((found = check(temp, "nextpcrank", i, start)))
{
retval << context.getPCNextRank();
}
else if ((found = check(temp, "pcnextrank", i, start)))
{
retval << context.getPCNextRank();
}
else if ((found = check(temp, "pcrank", i, start)))
{
retval << context.getPCRank();
}
else if ((found = check(temp, "rank", i, start)))
{
retval << context.getNPCRank();
return false;
}
else if ((found = check(temp, "class", i, start)))
std::string fixDefinesReal(std::string_view text, bool dialogue, Interpreter::Context& context)
{
retval << context.getNPCClass();
}
else if ((found = check(temp, "race", i, start)))
size_t start = 0;
std::ostringstream retval;
for (size_t i = 0; i < text.length(); ++i)
{
retval << context.getNPCRace();
}
else if ((found = check(temp, "name", i, start)))
char eschar = text[i];
if (eschar == '%' || eschar == '^')
{
retval << context.getActorName();
}
}
else
{ // In messagebox or book, not dialogue
/* empty outside dialogue */
if ((found = check(temp, "faction", i, start)))
;
else if ((found = check(temp, "nextpcrank", i, start)))
;
else if ((found = check(temp, "pcnextrank", i, start)))
;
else if ((found = check(temp, "pcrank", i, start)))
;
else if ((found = check(temp, "rank", i, start)))
;
retval << text.substr(start, i - start);
std::string_view temp = text.substr(i + 1);
/* uses pc in messageboxes */
else if ((found = check(temp, "class", i, start)))
{
retval << context.getPCClass();
}
else if ((found = check(temp, "race", i, start)))
{
retval << context.getPCRace();
}
else if ((found = check(temp, "name", i, start)))
bool found = false;
try
{
retval << context.getPCName();
}
}
found = findReplacement(temp, i, start, context, retval, dialogue);
/* Not a builtin, try global variables */
if (!found)
{
@ -220,9 +136,6 @@ namespace Interpreter
for (const std::string& global : globals)
{
if (global.length() > temp.length()) // Just in case there's a global with a huuuge name
temp = text.substr(i + 1, global.length());
found = check(temp, global, i, start);
if (found)
{
@ -266,6 +179,10 @@ namespace Interpreter
return retval.str();
}
}
namespace Interpreter
{
std::string fixDefinesDialog(const std::string& text, Context& context)
{
return fixDefinesReal(text, true, context);

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