diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/common/rest/RTCRestJsonPrimaryCursor.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-upstream.tar.xz virtualbox-upstream.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/common/rest/RTCRestJsonPrimaryCursor.cpp')
-rw-r--r-- | src/VBox/Runtime/common/rest/RTCRestJsonPrimaryCursor.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/rest/RTCRestJsonPrimaryCursor.cpp b/src/VBox/Runtime/common/rest/RTCRestJsonPrimaryCursor.cpp new file mode 100644 index 00000000..21f67296 --- /dev/null +++ b/src/VBox/Runtime/common/rest/RTCRestJsonPrimaryCursor.cpp @@ -0,0 +1,110 @@ +/* $Id: RTCRestJsonPrimaryCursor.cpp $ */ +/** @file + * IPRT - C++ REST, RTCRestJsonPrimaryCursor implementation. + */ + +/* + * Copyright (C) 2018-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_REST +#include <iprt/cpp/restbase.h> + +#include <iprt/errcore.h> +#include <iprt/string.h> + + +char *RTCRestJsonPrimaryCursor::getPath(RTCRestJsonCursor const &a_rCursor, char *pszDst, size_t cbDst) const RT_NOEXCEPT +{ + AssertReturn(cbDst > 0, NULL); + + /* + * To avoid using recursion, we need to first do a pass to figure sizes + * and depth. To keep things simple, with the exception of the top name + * we only copy out full names. + */ + /* Special case: Insufficient space for the top name. */ + size_t const cchTopName = strlen(a_rCursor.m_pszName); + if (cchTopName >= cbDst) + { + memcpy(pszDst, a_rCursor.m_pszName, cbDst - 1); + pszDst[cbDst - 1] = '\0'; + } + else + { + /* Determin how deep we should go and the resulting length. */ + size_t iMaxDepth = 0; + size_t cchTotal = cchTopName; + for (RTCRestJsonCursor const *pCur = a_rCursor.m_pParent; pCur; pCur = pCur->m_pParent) + { + size_t const cchName = strlen(pCur->m_pszName); + size_t cchNewTotal = cchName + 1 + cchTotal; + if (cchNewTotal < cbDst) + cchTotal = cchNewTotal; + else + break; + iMaxDepth++; + } + + /* Produce the string, in reverse. */ + char *psz = &pszDst[cchTotal]; + *psz = '\0'; + psz -= cchTopName; + memcpy(psz, a_rCursor.m_pszName, cchTopName); + for (RTCRestJsonCursor const *pCur = a_rCursor.m_pParent; pCur && iMaxDepth > 0; pCur = pCur->m_pParent) + { + psz -= 1; + *psz = '.'; + + size_t const cchName = strlen(pCur->m_pszName); + psz -= cchName; + memcpy(psz, pCur->m_pszName, cchName); + + iMaxDepth--; + } + Assert(psz == pszDst); + } + return pszDst; +} + + +int RTCRestJsonPrimaryCursor::addError(RTCRestJsonCursor const &a_rCursor, int a_rc, const char *a_pszFormat, ...) RT_NOEXCEPT +{ + va_list va; + va_start(va, a_pszFormat); + char szPath[128]; + a_rc = RTErrInfoAddF(m_pErrInfo, a_rc, "%s: %N\n", getPath(a_rCursor, szPath, sizeof(szPath)), a_pszFormat, &va); + va_end(va); + return a_rc; +} + + +int RTCRestJsonPrimaryCursor::unknownField(RTCRestJsonCursor const &a_rCursor) RT_NOEXCEPT +{ + char szPath[128]; + return RTErrInfoAddF(m_pErrInfo, VWRN_NOT_FOUND, "%s: unknown field (type %s)\n", + getPath(a_rCursor, szPath, sizeof(szPath)), + RTJsonValueTypeName(RTJsonValueGetType(a_rCursor.m_hValue))); +} + |