database.cxx

eCos1.31版

const std::vector<std::string>&
CdlPackagesDatabaseBody::get_targets(void) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_targets");
    CYG_PRECONDITION_THISC();

    CYG_REPORT_RETURN();
    return target_names;
}

bool
CdlPackagesDatabaseBody::is_known_target(std::string name) const
{
    CYG_REPORT_FUNCNAMETYPE("CdlPackagesDatabase::is_known_target", "result %d");
    CYG_REPORT_FUNCARG1XV(this);
    CYG_PRECONDITION_THISC();

    bool result = false;
    if (std::find(target_names.begin(), target_names.end(), name) != target_names.end()) {
        result = true;
    }

    CYG_REPORT_RETVAL(result);
    return result;
}

const std::string&
CdlPackagesDatabaseBody::get_target_description(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_description");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = targets.find(target_name);
    if (target_i != targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.description;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_description()");
    static std::string dummy = "";
    return dummy;
}

const std::vector<std::string>&
CdlPackagesDatabaseBody::get_target_aliases(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_aliases");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = targets.find(target_name);
    if (target_i != targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.aliases;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_aliases()");
    static std::vector<std::string> dummy;
    return dummy;
}

const std::vector<std::string>&
CdlPackagesDatabaseBody::get_target_packages(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_packages");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = targets.find(target_name);
    if (target_i != targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.packages;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_packages()");
    static std::vector<std::string> dummy;
    return dummy;
}

const std::string&
CdlPackagesDatabaseBody::get_target_command_prefix(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_command_prefix");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = targets.find(target_name);
    if (target_i != targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.command_prefix;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_command_prefix()");
    static std::string dummy = "";
    return dummy;
}

const std::vector<std::pair<std::string,std::string> >&
CdlPackagesDatabaseBody::get_target_compiler_flags(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_compiler_flags");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = targets.find(target_name);
    if (target_i != targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.cflags;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_compiler_flags()");
    static std::vector<std::pair<std::string,std::string> > dummy;
    return dummy;
}

const std::vector<std::string>&
CdlPackagesDatabaseBody::get_target_enables(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_enables");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = this->targets.find(target_name);
    if (target_i != this->targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.enable;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_enables()");
    static std::vector<std::string> dummy;
    return dummy;
}

const std::vector<std::string>&
CdlPackagesDatabaseBody::get_target_disables(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_disables");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = this->targets.find(target_name);
    if (target_i != this->targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.disable;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_disables()");
    static std::vector<std::string> dummy;
    return dummy;
}

const std::vector<std::pair<std::string, std::string> >&
CdlPackagesDatabaseBody::get_target_set_values(std::string target_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_target_set_values");
    CYG_PRECONDITION_THISC();

    std::map<std::string,target_data>::const_iterator target_i = this->targets.find(target_name);
    if (target_i != this->targets.end()) {
        CYG_REPORT_RETURN();
        return target_i->second.set_values;
    }
    
    CYG_FAIL("Invalid target name passed to CdlPackagesDatabase::get_target_values()");
    static std::vector<std::pair<std::string, std::string> > dummy;
    return dummy;
}

//}}}
//{{{  CdlPackagesDatabase:: get template information           

// ----------------------------------------------------------------------------
// Templates are different from packages and targets. The ecos.db file
// does not contain all the information in one convenient file, instead
// it is necessary to trawl through a templates sub-directory of the
// component repository. There are no aliases. Descriptions can be obtained
// only by executing the template file in a suitable interpreter.

const std::vector<std::string>&
CdlPackagesDatabaseBody::get_templates(void) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_templates");
    CYG_PRECONDITION_THISC();

    CYG_REPORT_RETURN();
    return template_names;
}

bool
CdlPackagesDatabaseBody::is_known_template(std::string name) const
{
    CYG_REPORT_FUNCNAMETYPE("CdlPackagesDatabase::is_known_template", "result %d");
    CYG_REPORT_FUNCARG1XV(this);
    CYG_PRECONDITION_THISC();

    bool result = false;
    if (std::find(template_names.begin(), template_names.end(), name) != template_names.end()) {
        result = true;
    }

    CYG_REPORT_RETVAL(result);
    return result;
}

const std::vector<std::string>&
CdlPackagesDatabaseBody::get_template_versions(std::string template_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_template_versions");
    CYG_REPORT_FUNCARG1XV(this);
    CYG_PRECONDITION_THISC();

    std::map<std::string,template_data>::const_iterator template_i = templates.find(template_name);
    if (template_i != templates.end()) {
        CYG_REPORT_RETURN();
        return template_i->second.versions;
    }
    
    CYG_FAIL("Invalid template name passed to CdlPackagesDatabase::get_template_versions()");
    static std::vector<std::string> dummy;
    return dummy;
}

std::string
CdlPackagesDatabaseBody::get_template_filename(std::string template_name, std::string version_name) const
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_template_filename");
    CYG_REPORT_FUNCARG1XV(this);
    CYG_PRECONDITION_THISC();

    // Given the way templates are identified, the filename can be determined
    // easily by concatenating a few strings. The only complication is that
    // version_name may be an empty string, indicating that the most recent
    // version should be used.
    std::map<std::string,template_data>::const_iterator template_i = templates.find(template_name);
    if (template_i == templates.end()) {
        CYG_FAIL("Invalid template name passed to CdlPackagesDatabase::get_template_filename");
        CYG_REPORT_RETURN();
        return "";
    }
    if ("" == version_name) {
        CYG_ASSERTC(0 != template_i->second.versions.size());
        version_name = template_i->second.versions[0];
    } else {
        std::vector<std::string>::const_iterator vsn_i = std::find(template_i->second.versions.begin(),
                                                                   template_i->second.versions.end(), version_name);
        if (vsn_i == template_i->second.versions.end()) {
            CYG_FAIL("Invalid template version passed to CdlPackagesDatabase::get_template_filename");
            CYG_REPORT_RETURN();
            return "";
        }
    }

    std::string result = component_repository + "/templates/" + template_name + "/" + version_name + ".ect";
    CYG_REPORT_RETURN();
    return result;
}

// ----------------------------------------------------------------------------
// The descriptions now live in an eCos savefile, i.e. a Tcl script, so
// extracting them can be relatively expensive and needs to happen on
// a just-in-time basis.

const std::string
CdlPackagesDatabaseBody::get_template_description(std::string template_name, std::string version_name)
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_template_description");
    CYG_REPORT_FUNCARG1XV(this);
    CYG_PRECONDITION_THISC();

    // Is this a known template?
    std::map<std::string, struct template_data>::iterator template_i = templates.find(template_name);
    if (template_i == templates.end()) {
        CYG_FAIL("Invalid template name passed to CdlPackagesDatabase::get_template_description");
        CYG_REPORT_RETURN();
        return "";
    }

    // Is it a known version of the template?
    if ("" == version_name) {
        CYG_ASSERTC(0 != template_i->second.versions.size());
        version_name = template_i->second.versions[0];
    } else {
        if (std::find(template_i->second.versions.begin(), template_i->second.versions.end(), version_name) ==
            template_i->second.versions.end()) {

            CYG_FAIL("Invalid template version passed to CdlPackagesDatabase::get_template_description");
            CYG_REPORT_RETURN();
            return "";
        }
    }

    // We have a valid template and version. Has the version file in
    // question been read in yet?
    std::map<std::string, struct template_version_data>::iterator version_i;
    version_i = template_i->second.version_details.find(version_name);
    if (version_i != template_i->second.version_details.end()) {
        CYG_REPORT_RETURN();
        return version_i->second.description;
    }
    
    std::string filename = this->get_template_filename(template_name, version_name);
    if ("" == filename) {
        CYG_REPORT_RETURN();
        return "";
    } 
    extract_template_details(filename, template_i->second.version_details[version_name].description,
                             template_i->second.version_details[version_name].packages);
    CYG_REPORT_RETURN();
    return template_i->second.version_details[version_name].description;
}

// ----------------------------------------------------------------------------
// Similarly extracting package information needs to happen on a
// just-in-time basis.
const std::vector<std::string>&
CdlPackagesDatabaseBody::get_template_packages(std::string template_name, std::string version_name)
{
    CYG_REPORT_FUNCNAME("CdlPackagesDatabase::get_template_packages");
    CYG_REPORT_FUNCARG1XV(this);
    CYG_PRECONDITION_THISC();

    static std::vector<std::string> dummy;
    
    // Is this a known template?
    std::map<std::string, struct template_data>::iterator template_i = templates.find(template_name);
    if (template_i == templates.end()) {
        CYG_FAIL("Invalid template name passed to CdlPackagesDatabase::get_template_packages");
        CYG_REPORT_RETURN();
        return dummy;
    }

    // Is it a known version of the template?
    if ("" == version_name) {
        CYG_ASSERTC(0 != template_i->second.versions.size());
        version_name = template_i->second.versions[0];
    } else {
        if (std::find(template_i->second.versions.begin(), template_i->second.versions.end(), version_name) ==
            template_i->second.versions.end()) {

            CYG_FAIL("Invalid template version passed to CdlPackagesDatabase::get_packages");
            CYG_REPORT_RETURN();
            return dummy;
        }
    }

    //