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// file : build2/install/rule.hxx -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD2_INSTALL_RULE_HXX
#define BUILD2_INSTALL_RULE_HXX
#include <build2/types.hxx>
#include <build2/utility.hxx>
#include <build2/rule.hxx>
#include <build2/target.hxx>
#include <build2/operation.hxx>
namespace build2
{
namespace install
{
class alias_rule: public rule
{
public:
static const alias_rule instance;
alias_rule () {}
virtual match_result
match (action, target&, const string&) const override;
virtual recipe
apply (action, target&) const override;
// Return NULL if this prerequisite should be ignored and pointer to its
// target otherwise. The default implementation accepts all prerequsites.
//
virtual const target*
filter (action, const target&, prerequisite_member) const;
};
struct install_dir;
class file_rule: public rule
{
public:
static const file_rule instance;
file_rule () {}
virtual match_result
match (action, target&, const string&) const override;
virtual recipe
apply (action, target&) const override;
// Return NULL if this prerequisite should be ignored and pointer to its
// target otherwise. The default implementation ignores prerequsites that
// are outside of this target's project.
//
virtual const target*
filter (action, const target&, prerequisite_member) const;
// Extra installation hooks.
//
using install_dir = install::install_dir;
virtual void
install_extra (const file&, const install_dir&) const;
// Return true if anything was uninstalled.
//
virtual bool
uninstall_extra (const file&, const install_dir&) const;
// Installation "commands".
//
// If verbose is false, then only print the command at verbosity level 2
// or higher.
//
public:
// Install a symlink: base/link -> target.
//
static void
install_l (const scope& rs,
const install_dir& base,
const path& target,
const path& link,
bool verbose);
// Uninstall a file or symlink:
//
// uninstall <target> <base>/ rm <base>/<target>.leaf (); name empty
// uninstall <target> <name> rm <base>/<name>; target can be NULL
//
// Return false if nothing has been removed (i.e., the file does not
// exist).
//
static bool
uninstall_f (const scope& rs,
const install_dir& base,
const file* t,
const path& name,
bool verbose);
protected:
target_state
perform_install (action, const target&) const;
target_state
perform_uninstall (action, const target&) const;
};
}
}
#endif // BUILD2_INSTALL_RULE_HXX
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