/* * Copyright (C) 1996-2021 The Squid Software Foundation and contributors * * Squid software is distributed under GPLv2+ license and includes * contributions from numerous individuals and organizations. * Please see the COPYING and CONTRIBUTORS files for details. */ /* DEBUG: section 86 ESI processing */ #ifndef SQUID_ESIASSIGN_H #define SQUID_ESIASSIGN_H #include "esi/Element.h" #include "esi/VarState.h" #include "SquidString.h" /** This is a variable that is itself an expression */ class ESIVariableExpression : public ESIVarState::Variable { public: ~ESIVariableExpression(); ESIVariableExpression (String const &value); virtual void eval (ESIVarState &state, char const *, char const *) const; private: String expression; }; class ESIContext; class ESIAssign : public ESIElement { MEMPROXY_CLASS(ESIAssign); public: ESIAssign (esiTreeParentPtr, int, const char **, ESIContext *); ESIAssign (ESIAssign const &); ESIAssign &operator=(ESIAssign const &); ~ESIAssign(); esiProcessResult_t process (int dovars); void render(ESISegment::Pointer); bool addElement(ESIElement::Pointer); void provideData (ESISegment::Pointer data, ESIElement * source); Pointer makeCacheable() const; Pointer makeUsable(esiTreeParentPtr, ESIVarState &) const; void finish(); private: void evaluateVariable(); esiTreeParentPtr parent; ESIVarState *varState; String name; ESIVariableExpression * value; ESIElement::Pointer variable; String unevaluatedVariable; }; #endif /* SQUID_ESIASSIGN_H */