| 1 | /* $Id: RTCRestJsonPrimaryCursor.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - C++ REST, RTCRestJsonPrimaryCursor implementation.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2018-2019 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #define LOG_GROUP RTLOGGROUP_REST
|
|---|
| 32 | #include <iprt/cpp/restbase.h>
|
|---|
| 33 |
|
|---|
| 34 | #include <iprt/errcore.h>
|
|---|
| 35 | #include <iprt/string.h>
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 | char *RTCRestJsonPrimaryCursor::getPath(RTCRestJsonCursor const &a_rCursor, char *pszDst, size_t cbDst) const RT_NOEXCEPT
|
|---|
| 39 | {
|
|---|
| 40 | AssertReturn(cbDst > 0, NULL);
|
|---|
| 41 |
|
|---|
| 42 | /*
|
|---|
| 43 | * To avoid using recursion, we need to first do a pass to figure sizes
|
|---|
| 44 | * and depth. To keep things simple, with the exception of the top name
|
|---|
| 45 | * we only copy out full names.
|
|---|
| 46 | */
|
|---|
| 47 | /* Special case: Insufficient space for the top name. */
|
|---|
| 48 | size_t const cchTopName = strlen(a_rCursor.m_pszName);
|
|---|
| 49 | if (cchTopName >= cbDst)
|
|---|
| 50 | {
|
|---|
| 51 | memcpy(pszDst, a_rCursor.m_pszName, cbDst - 1);
|
|---|
| 52 | pszDst[cbDst - 1] = '\0';
|
|---|
| 53 | }
|
|---|
| 54 | else
|
|---|
| 55 | {
|
|---|
| 56 | /* Determin how deep we should go and the resulting length. */
|
|---|
| 57 | size_t iMaxDepth = 0;
|
|---|
| 58 | size_t cchTotal = cchTopName;
|
|---|
| 59 | for (RTCRestJsonCursor const *pCur = a_rCursor.m_pParent; pCur; pCur = pCur->m_pParent)
|
|---|
| 60 | {
|
|---|
| 61 | size_t const cchName = strlen(pCur->m_pszName);
|
|---|
| 62 | size_t cchNewTotal = cchName + 1 + cchTotal;
|
|---|
| 63 | if (cchNewTotal < cbDst)
|
|---|
| 64 | cchTotal = cchNewTotal;
|
|---|
| 65 | else
|
|---|
| 66 | break;
|
|---|
| 67 | iMaxDepth++;
|
|---|
| 68 | }
|
|---|
| 69 |
|
|---|
| 70 | /* Produce the string, in reverse. */
|
|---|
| 71 | char *psz = &pszDst[cchTotal];
|
|---|
| 72 | *psz = '\0';
|
|---|
| 73 | psz -= cchTopName;
|
|---|
| 74 | memcpy(psz, a_rCursor.m_pszName, cchTopName);
|
|---|
| 75 | for (RTCRestJsonCursor const *pCur = a_rCursor.m_pParent; pCur && iMaxDepth > 0; pCur = pCur->m_pParent)
|
|---|
| 76 | {
|
|---|
| 77 | psz -= 1;
|
|---|
| 78 | *psz = '.';
|
|---|
| 79 |
|
|---|
| 80 | size_t const cchName = strlen(pCur->m_pszName);
|
|---|
| 81 | psz -= cchName;
|
|---|
| 82 | memcpy(psz, pCur->m_pszName, cchName);
|
|---|
| 83 |
|
|---|
| 84 | iMaxDepth--;
|
|---|
| 85 | }
|
|---|
| 86 | Assert(psz == pszDst);
|
|---|
| 87 | }
|
|---|
| 88 | return pszDst;
|
|---|
| 89 | }
|
|---|
| 90 |
|
|---|
| 91 |
|
|---|
| 92 | int RTCRestJsonPrimaryCursor::addError(RTCRestJsonCursor const &a_rCursor, int a_rc, const char *a_pszFormat, ...) RT_NOEXCEPT
|
|---|
| 93 | {
|
|---|
| 94 | va_list va;
|
|---|
| 95 | va_start(va, a_pszFormat);
|
|---|
| 96 | char szPath[128];
|
|---|
| 97 | a_rc = RTErrInfoAddF(m_pErrInfo, a_rc, "%s: %N\n", getPath(a_rCursor, szPath, sizeof(szPath)), a_pszFormat, &va);
|
|---|
| 98 | va_end(va);
|
|---|
| 99 | return a_rc;
|
|---|
| 100 | }
|
|---|
| 101 |
|
|---|
| 102 |
|
|---|
| 103 | int RTCRestJsonPrimaryCursor::unknownField(RTCRestJsonCursor const &a_rCursor) RT_NOEXCEPT
|
|---|
| 104 | {
|
|---|
| 105 | char szPath[128];
|
|---|
| 106 | return RTErrInfoAddF(m_pErrInfo, VWRN_NOT_FOUND, "%s: unknown field (type %s)\n",
|
|---|
| 107 | getPath(a_rCursor, szPath, sizeof(szPath)),
|
|---|
| 108 | RTJsonValueTypeName(RTJsonValueGetType(a_rCursor.m_hValue)));
|
|---|
| 109 | }
|
|---|
| 110 |
|
|---|
