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Diffstat (limited to 'src/VBox/Main/include/UnattendedScript.h')
| -rw-r--r-- | src/VBox/Main/include/UnattendedScript.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/VBox/Main/include/UnattendedScript.h b/src/VBox/Main/include/UnattendedScript.h new file mode 100644 index 00000000..970a01af --- /dev/null +++ b/src/VBox/Main/include/UnattendedScript.h @@ -0,0 +1,193 @@ +/* $Id: UnattendedScript.h $ */ +/** @file + * Classes for reading/parsing/saving scripts for unattended installation. + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#ifndef MAIN_INCLUDED_UnattendedScript_h +#define MAIN_INCLUDED_UnattendedScript_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include "TextScript.h" +#include "iprt/expreval.h" + +using namespace xml; + +class Unattended; + + +/** + * Generic unattended text script template editor. + * + * This just perform variable replacements, no other editing possible. + * + * Everything happens during saveToString, parse is a noop. + */ +class UnattendedScriptTemplate : public BaseTextScript +{ +protected: + /** Where to get the replacement strings from. */ + Unattended *mpUnattended; + +public: + DECLARE_TRANSLATE_METHODS(UnattendedScriptTemplate) + + UnattendedScriptTemplate(Unattended *pUnattended, const char *pszDefaultTemplateFilename, const char *pszDefaultFilename); + virtual ~UnattendedScriptTemplate() {} + + HRESULT parse() { return S_OK; } + HRESULT saveToString(Utf8Str &rStrDst); + +protected: + typedef enum + { + kValueEscaping_None, + kValueEscaping_Bourne, + kValueEscaping_XML_Element, + kValueEscaping_XML_Attribute_Double_Quotes + } kEvalEscaping_T; + + /** + * Gets the replacement value for the given placeholder. + * + * @returns COM status code. + * @param pachPlaceholder The placholder string. Not zero terminated. + * @param cchPlaceholder The length of the placeholder. + * @param fOutputting Indicates whether we actually need the correct value + * or is just syntax checking excluded template parts. + * @param rValue Where to return the value. + */ + HRESULT getReplacement(const char *pachPlaceholder, size_t cchPlaceholder, bool fOutputting, RTCString &rValue); + + /** + * Gets the replacement value for the given expression placeholder + * (@@VBOX_INSERT[expr]@@ and friends). + * + * @returns COM status code. + * @param hEvaluator The evaluator to use for the expression. + * @param pachPlaceholder The placholder string. Not zero terminated. + * @param cchPlaceholder The length of the placeholder. + * @param fOutputting Indicates whether we actually need the correct value + * or is just syntax checking excluded template parts. + * @param ppszValue Where to return the value. Free by calling + * RTStrFree. Set to NULL for empty string. + */ + HRESULT getReplacementForExpr(RTEXPREVAL hEvaluator, const char *pachPlaceholder, size_t cchPlaceholder, + bool fOutputting, char **ppszValue) RT_NOEXCEPT; + + /** + * Resolves a conditional expression. + * + * @returns COM status code. + * @param hEvaluator The evaluator to use for the expression. + * @param pachPlaceholder The placholder string. Not zero terminated. + * @param cchPlaceholder The length of the placeholder. + * @param pfOutputting Where to return the result of the conditional. This + * holds the current outputting state on input in case + * someone want to sanity check anything. + */ + HRESULT resolveConditionalExpr(RTEXPREVAL hEvaluator, const char *pachPlaceholder, size_t cchPlaceholder, + bool *pfOutputting) RT_NOEXCEPT; + + /** @callback_method_impl{FNRTEXPREVALQUERYVARIABLE} */ + static DECLCALLBACK(int) queryVariableForExpr(const char *pchName, size_t cchName, void *pvUser, + char **ppszValue) RT_NOEXCEPT; + + /** + * Gets a variable. + * + * This is used both for getting replacements (@@VBOX_INSERT_XXX@@) and in + * expressions (@@VBOX_INSERT[expr]@@, @@VBOX_COND[expr]@@). + * + * @returns VBox status code. + * @retval VERR_NOT_FOUND if variable does not exist. + * + * @param pchName The variable name. Not zero terminated. + * @param cchName The length of the name. + * @param rstrTmp String object that can be used for keeping the + * value returned via @a *ppszValue. + * @param ppszValue If a value is desired, this is where to return + * it. This points to a string that should be + * accessible for a little while after the function + * returns. Use @a rstrTmp for storage if + * necessary. + * + * This will be NULL when called from the 'defined' + * operator. In which case no errors should be + * set. + * @throws std::bad_alloc + * @see FNRTEXPREVALQUERYVARIABLE + */ + virtual int queryVariable(const char *pchName, size_t cchName, Utf8Str &rstrTmp, const char **ppszValue); + + /** + * Get the result of a conditional. + * + * @returns COM status code. + * @param pachPlaceholder The placholder string. Not zero terminated. + * @param cchPlaceholder The length of the placeholder. + * @param pfOutputting Where to return the result of the conditional. + * This holds the current outputting state on input + * in case someone want to sanity check anything. + */ + virtual HRESULT getConditional(const char *pachPlaceholder, size_t cchPlaceholder, bool *pfOutputting); +}; + +#if 0 /* convert when we fix SUSE */ +/** + * SUSE unattended XML file editor. + */ +class UnattendedSUSEXMLScript : public UnattendedXMLScript +{ +public: + DECLARE_TRANSLATE_METHODS(UnattendedSUSEXMLScript) + + UnattendedSUSEXMLScript(VirtualBoxBase *pSetError, const char *pszDefaultFilename = "autoinst.xml") + : UnattendedXMLScript(pSetError, pszDefaultFilename) {} + ~UnattendedSUSEXMLScript() {} + + HRESULT parse(); + +protected: + HRESULT setFieldInElement(xml::ElementNode *pElement, const DataId enmDataId, const Utf8Str &rStrValue); + +private: + //////////////////New functions////////////////////////////// + /** @throws std::bad_alloc */ + HRESULT LoopThruSections(const xml::ElementNode *pelmRoot); + /** @throws std::bad_alloc */ + HRESULT HandleUserAccountsSection(const xml::ElementNode *pelmSection); + /** @throws std::bad_alloc */ + Utf8Str createProbableValue(const DataId enmDataId, const xml::ElementNode *pCurElem); + /** @throws std::bad_alloc */ + Utf8Str createProbableUserHomeDir(const xml::ElementNode *pCurElem); + //////////////////New functions////////////////////////////// +}; +#endif + + +#endif /* !MAIN_INCLUDED_UnattendedScript_h */ + |