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// file : mod/build-config-module.hxx -*- C++ -*-
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef MOD_BUILD_CONFIG_MODULE_HXX
#define MOD_BUILD_CONFIG_MODULE_HXX
#include <map>
#include <algorithm> // find()
#include <libbutl/utility.mxx> // compare_c_string
#include <libbpkg/manifest.hxx>
#include <libbbot/build-config.hxx>
#include <libbrep/types.hxx>
#include <libbrep/utility.hxx>
#include <mod/module.hxx>
#include <mod/options.hxx>
// Base class for modules that utilize the build controller configuration.
//
// Specifically, it loads build controller configuration and provides various
// build configuration-related utilities. Note that the configuration is
// shared across multiple modules once loaded.
//
// Note that the build database is in the database_module.
//
namespace brep
{
class build_config_module
{
protected:
// Parse build configuration file and establish mapping of build bot agent
// public keys fingerprints to their paths. Throw tab_parsing on parsing
// error, system_error on the underlying OS error.
//
void
init (const options::build&);
// Return true if the specified build configuration is excluded by a
// package based on its underlying build class set, build class
// expressions, and build constraints, potentially extending the
// underlying set with the special classes. Set the exclusion reason if
// requested.
//
bool
exclude (const small_vector<bpkg::build_class_expr, 1>&,
const vector<bpkg::build_constraint>&,
const bbot::build_config&,
string* reason = nullptr) const;
// Check if the configuration belongs to the specified class.
//
bool
belongs (const bbot::build_config&, const char*) const;
bool
belongs (const bbot::build_config& cfg, const string& cls) const
{
return belongs (cfg, cls.c_str ());
}
// Convert dash-separated components (target, build configuration name,
// machine name) or a pattern thereof into a path, replacing dashes with
// slashes (directory separators), `**` with `*/**/*`, and appending the
// trailing slash for a subsequent match using the path_match()
// functionality (the idea here is for `linux**` to match `linux-gcc`
// which is quite natural to expect). Throw invalid_path if the resulting
// path is invalid.
//
// Note that the match_absent path match flag must be used for the above
// `**` transformation to work.
//
static path
dash_components_to_path (const string&);
// Configuration/toolchain combination that, in particular, can be used as
// a set value.
//
// Note: contains shallow references to the configuration, toolchain name,
// and version.
//
struct config_toolchain
{
const string& configuration;
const string& toolchain_name;
const bpkg::version& toolchain_version;
bool
operator< (const config_toolchain& ct) const
{
if (int r = toolchain_name.compare (ct.toolchain_name))
return r < 0;
if (toolchain_version != ct.toolchain_version)
return toolchain_version > ct.toolchain_version;
return configuration.compare (ct.configuration) < 0;
}
};
protected:
// Build configurations.
//
shared_ptr<const bbot::build_configs> build_conf_;
shared_ptr<const cstrings> build_conf_names_;
shared_ptr<const std::map<const char*,
const bbot::build_config*,
butl::compare_c_string>> build_conf_map_;
// Map of build bot agent public keys fingerprints to the key file paths.
//
shared_ptr<const std::map<string, path>> bot_agent_key_map_;
};
}
#endif // MOD_BUILD_CONFIG_MODULE_HXX
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