option.cpp

qtmake 文件的代码

                    continue;
                QString candidate = currentDir.absoluteFilePath(*p + QLatin1Char('/') + argv0);
                if (QFile::exists(candidate)) {
                    Option::qmake_abslocation = candidate;
                    break;
                }
            }
        }
        if(!Option::qmake_abslocation.isNull())
            Option::qmake_abslocation = QDir::cleanPath(Option::qmake_abslocation);
    } else {
        Option::qmake_mode = Option::QMAKE_GENERATE_MAKEFILE;
    }

    const QByteArray envflags = qgetenv("QMAKEFLAGS");
    if (!envflags.isNull()) {
        int env_argc = 0, env_size = 0, currlen=0;
        char quote = 0, **env_argv = NULL;
        for (int i = 0; i < envflags.size(); ++i) {
            if (!quote && (envflags.at(i) == '\'' || envflags.at(i) == '"')) {
                quote = envflags.at(i);
            } else if (envflags.at(i) == quote) {
                quote = 0;
            } else if (!quote && envflags.at(i) == ' ') {
                if (currlen && env_argv && env_argv[env_argc]) {
                    env_argv[env_argc][currlen] = '\0';
                    currlen = 0;
                    env_argc++;
                }
            } else {
                if(!env_argv || env_argc > env_size) {
                    env_argv = (char **)realloc(env_argv, sizeof(char *)*(env_size+=10));
                    for(int i2 = env_argc; i2 < env_size; i2++)
                        env_argv[i2] = NULL;
                }
                if(!env_argv[env_argc]) {
                    currlen = 0;
                    env_argv[env_argc] = (char*)malloc(255);
                }
                if(currlen < 255)
                    env_argv[env_argc][currlen++] = envflags.at(i);
            }
        }
        if(env_argv) {
            if(env_argv[env_argc]) {
                env_argv[env_argc][currlen] = '\0';
                currlen = 0;
                env_argc++;
            }
            parseCommandLine(env_argc, env_argv);
            for(int i2 = 0; i2 < env_size; i2++) {
                if(env_argv[i2])
                    free(env_argv[i2]);
            }
            free(env_argv);
        }
    }
    if(argc && argv) {
        int ret = parseCommandLine(argc, argv, 1);
        if(ret != Option::QMAKE_CMDLINE_SUCCESS) {
            if ((ret & Option::QMAKE_CMDLINE_SHOW_USAGE) != 0)
                usage(argv[0]);
            return ret;
            //return ret == QMAKE_CMDLINE_SHOW_USAGE ? usage(argv[0]) : false;
        }
    }

    //last chance for defaults
    if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
        Option::qmake_mode == Option::QMAKE_GENERATE_PRL) {
        if(Option::mkfile::qmakespec.isNull() || Option::mkfile::qmakespec.isEmpty())
            Option::mkfile::qmakespec = QString::fromLocal8Bit(qgetenv("QMAKESPEC").constData());

        //try REALLY hard to do it for them, lazy..
        if(Option::mkfile::project_files.isEmpty()) {
            QString pwd = qmake_getpwd(),
                   proj = pwd + "/" + pwd.right(pwd.length() - (pwd.lastIndexOf('/') + 1)) + Option::pro_ext;
            if(QFile::exists(proj)) {
                Option::mkfile::project_files.append(proj);
            } else { //last try..
                QStringList profiles = QDir(pwd).entryList(QStringList("*" + Option::pro_ext));
                if(profiles.count() == 1)
                    Option::mkfile::project_files.append(pwd + "/" + profiles[0]);
            }
#ifndef QT_BUILD_QMAKE_LIBRARY
            if(Option::mkfile::project_files.isEmpty()) {
                usage(argv[0]);
                return Option::QMAKE_CMDLINE_ERROR;
            }
#endif
        }
    }

    //defaults for globals
    if(Option::target_mode == Option::TARG_WIN_MODE) {
        Option::dir_sep = "\\";
        Option::obj_ext = ".obj";
        Option::res_ext = ".res";
    } else {
        if(Option::target_mode == Option::TARG_MAC9_MODE)
            Option::dir_sep = ":";
        else
            Option::dir_sep = "/";
        Option::obj_ext = ".o";
    }
    return QMAKE_CMDLINE_SUCCESS;
}

bool Option::postProcessProject(QMakeProject *project)
{
    Option::cpp_ext = project->variables()["QMAKE_EXT_CPP"];
    if(cpp_ext.isEmpty())
        cpp_ext << ".cpp"; //something must be there
    Option::h_ext = project->variables()["QMAKE_EXT_H"];
    if(h_ext.isEmpty())
        h_ext << ".h";

    if(!project->isEmpty("QMAKE_EXT_RES"))
        Option::res_ext = project->first("QMAKE_EXT_RES");
    if(!project->isEmpty("QMAKE_EXT_PKGCONFIG"))
        Option::pkgcfg_ext = project->first("QMAKE_EXT_PKGCONFIG");
    if(!project->isEmpty("QMAKE_EXT_LIBTOOL"))
        Option::libtool_ext = project->first("QMAKE_EXT_LIBTOOL");
    if(!project->isEmpty("QMAKE_EXT_PRL"))
        Option::prl_ext = project->first("QMAKE_EXT_PRL");
    if(!project->isEmpty("QMAKE_EXT_PRF"))
        Option::prf_ext = project->first("QMAKE_EXT_PRF");
    if(!project->isEmpty("QMAKE_EXT_UI"))
        Option::ui_ext = project->first("QMAKE_EXT_UI");
    if(!project->isEmpty("QMAKE_EXT_CPP_MOC"))
        Option::cpp_moc_ext = project->first("QMAKE_EXT_CPP_MOC");
    if(!project->isEmpty("QMAKE_EXT_H_MOC"))
        Option::h_moc_ext = project->first("QMAKE_EXT_H_MOC");
    if(!project->isEmpty("QMAKE_EXT_LEX"))
        Option::lex_ext = project->first("QMAKE_EXT_LEX");
    if(!project->isEmpty("QMAKE_EXT_YACC"))
        Option::yacc_ext = project->first("QMAKE_EXT_YACC");
    if(!project->isEmpty("QMAKE_EXT_OBJ"))
        Option::obj_ext = project->first("QMAKE_EXT_OBJ");
    if(!project->isEmpty("QMAKE_H_MOD_MOC"))
        Option::h_moc_mod = project->first("QMAKE_H_MOD_MOC");
    if(!project->isEmpty("QMAKE_CPP_MOD_MOC"))
        Option::cpp_moc_mod = project->first("QMAKE_CPP_MOD_MOC");
    if(!project->isEmpty("QMAKE_MOD_LEX"))
        Option::lex_mod = project->first("QMAKE_MOD_LEX");
    if(!project->isEmpty("QMAKE_MOD_YACC"))
        Option::yacc_mod = project->first("QMAKE_MOD_YACC");
    if(!project->isEmpty("QMAKE_DIR_SEP"))
        Option::dir_sep = project->first("QMAKE_DIR_SEP");
    if(!project->isEmpty("QMAKE_DIRLIST_SEP"))
        Option::dirlist_sep = project->first("QMAKE_DIRLIST_SEP");
    if(!project->isEmpty("QMAKE_MOD_SYSTEM_ENV"))
        Option::sysenv_mod = project->first("QMAKE_MOD_SYSTEM_ENV");
    return true;
}

QString
Option::fixString(QString string, uchar flags)
{
    static QHash<FixStringCacheKey, QString> *cache = 0;
    if(!cache) {
        cache = new QHash<FixStringCacheKey, QString>;
        qmakeAddCacheClear(qmakeDeleteCacheClear_QHashFixStringCacheKeyQString, (void**)&cache);
    }
    FixStringCacheKey cacheKey(string, flags);
    if(cache->contains(cacheKey))
        return cache->value(cacheKey);

    //fix the environment variables
    if(flags & Option::FixEnvVars) {
        int rep;
        QRegExp reg_var("\\$\\(.*\\)");
        reg_var.setMinimal(true);
        while((rep = reg_var.indexIn(string)) != -1)
            string.replace(rep, reg_var.matchedLength(),
                           QString::fromLocal8Bit(qgetenv(string.mid(rep + 2, reg_var.matchedLength() - 3).toLatin1().constData()).constData()));
    }

    //canonicalize it (and treat as a path)
    if(flags & Option::FixPathCanonicalize) {
#if 0
        string = QFileInfo(string).canonicalFilePath();
#endif
        string = QDir::cleanPath(string);
    }

    if(string.length() > 2 && string[0].isLetter() && string[1] == QLatin1Char(':'))
        string[0] = string[0].toLower();

    //fix separators
    Q_ASSERT(!((flags & Option::FixPathToLocalSeparators) && (flags & Option::FixPathToTargetSeparators)));
    if(flags & Option::FixPathToLocalSeparators) {
#if defined(Q_OS_WIN32)
        string = string.replace('/', '\\');
#else
        string = string.replace('\\', '/');
#endif
    } else if(flags & Option::FixPathToTargetSeparators) {
        string = string.replace('/', Option::dir_sep).replace('\\', Option::dir_sep);
    }

    if (string.startsWith("\"") && string.endsWith("\"") ||
        string.startsWith("\'") && string.endsWith("\'"))
        string = string.mid(1, string.length()-2);

    //cache
    cache->insert(cacheKey, string);
    return string;
}

const char *qmake_version()
{
    static char *ret = NULL;
    if(ret)
        return ret;
    ret = (char *)malloc(15);
    qmakeAddCacheClear(qmakeFreeCacheClear, (void**)&ret);
#if defined(_MSC_VER) && _MSC_VER >= 1400
    sprintf_s(ret, 15, "%d.%02d%c", QMAKE_VERSION_MAJOR, QMAKE_VERSION_MINOR, 'a' + QMAKE_VERSION_PATCH);
#else
    sprintf(ret, "%d.%02d%c", QMAKE_VERSION_MAJOR, QMAKE_VERSION_MINOR, 'a' + QMAKE_VERSION_PATCH);
#endif
    return ret;
}

void debug_msg_internal(int level, const char *fmt, ...)
{
    if(Option::debug_level < level)
        return;
    fprintf(stderr, "DEBUG %d: ", level);
    {
        va_list ap;
        va_start(ap, fmt);
        vfprintf(stderr, fmt, ap);
        va_end(ap);
    }
    fprintf(stderr, "\n");
}

void warn_msg(QMakeWarn type, const char *fmt, ...)
{
    if(!(Option::warn_level & type))
        return;
    fprintf(stderr, "WARNING: ");
    {
        va_list ap;
        va_start(ap, fmt);
        vfprintf(stderr, fmt, ap);
        va_end(ap);
    }
    fprintf(stderr, "\n");
}

#include "../src/corelib/global/qconfig.cpp"
QString QLibraryInfo::location(QLibraryInfo::LibraryLocation loc)
{
    QString ret;
    const char *path = 0;
    switch (loc) {
#ifdef QT_CONFIGURE_PREFIX_PATH
    case PrefixPath:
        path = QT_CONFIGURE_PREFIX_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_DOCUMENTATION_PATH
    case DocumentationPath:
        path = QT_CONFIGURE_DOCUMENTATION_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_HEADERS_PATH
    case HeadersPath:
        path = QT_CONFIGURE_HEADERS_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_LIBRARIES_PATH
    case LibrariesPath:
        path = QT_CONFIGURE_LIBRARIES_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_BINARIES_PATH
    case BinariesPath:
        path = QT_CONFIGURE_BINARIES_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_PLUGINS_PATH
    case PluginsPath:
        path = QT_CONFIGURE_PLUGINS_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_DATA_PATH
    case DataPath:
        path = QT_CONFIGURE_DATA_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_TRANSLATIONS_PATH
    case TranslationsPath:
        path = QT_CONFIGURE_TRANSLATIONS_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_SETTINGS_PATH
    case SettingsPath:
        path = QT_CONFIGURE_SETTINGS_PATH;
        break;
#endif
#ifdef QT_CONFIGURE_EXAMPLES_PATH
        case ExamplesPath:
            path = QT_CONFIGURE_EXAMPLES_PATH;
            break;
#endif
#ifdef QT_CONFIGURE_DEMOS_PATH
        case DemosPath:
            path = QT_CONFIGURE_DEMOS_PATH;
            break;
#endif
    default:
        break;
    }

    if (path)
        ret = QString::fromLocal8Bit(path);

    if (QDir::isRelativePath(ret)) {
        if (loc == PrefixPath) {
            // we make the prefix path absolute to the current directory
            return QDir::current().absoluteFilePath(ret);
        } else {
            // we make any other path absolute to the prefix directory
            return QDir(location(PrefixPath)).absoluteFilePath(ret);
        }
    }
    return ret;
}

class QMakeCacheClearItem {
private:
    qmakeCacheClearFunc func;
    void **data;
public:
    QMakeCacheClearItem(qmakeCacheClearFunc f, void **d) : func(f), data(d) { }
    ~QMakeCacheClearItem() {
        (*func)(*data);
        *data = 0;
    }
};
static QList<QMakeCacheClearItem*> cache_items;

void
qmakeClearCaches()
{
    qDeleteAll(cache_items);
    cache_items.clear();
}

void
qmakeAddCacheClear(qmakeCacheClearFunc func, void **data)
{
    cache_items.append(new QMakeCacheClearItem(func, data));
}