summaryrefslogtreecommitdiff
path: root/extensions/source/resource/ResourceIndexAccess.cxx
blob: 2edb7ccc91c13192bea9db3ba57fba6bd78cc95f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include <ResourceIndexAccess.hxx>

#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <cppuhelper/implbase.hxx>
#include <osl/mutex.hxx>
#include <tools/rcid.h>
#include <tools/resary.hxx>
#include <tools/resmgr.hxx>
#include <vcl/svapp.hxx>

using namespace ::extensions::resource;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;

namespace
{
    std::shared_ptr<ResMgr> GetResMgr(Sequence<Any> const& rArgs)
    {
        if(rArgs.getLength()!=1)
            return std::shared_ptr<ResMgr>();
        OUString sFilename;
        rArgs[0] >>= sFilename;
        SolarMutexGuard aGuard;
        const OString sEncName(OUStringToOString(sFilename, osl_getThreadTextEncoding()));
        return std::shared_ptr<ResMgr>(ResMgr::CreateResMgr(sEncName.getStr()));
    }

    class ResourceIndexAccessBase : public cppu::WeakImplHelper< css::container::XIndexAccess>
    {
        public:
            explicit ResourceIndexAccessBase(const std::shared_ptr<ResMgr>& pResMgr)
                : m_pResMgr(pResMgr)
            {
                OSL_ENSURE(m_pResMgr, "no resource manager given");
            }

            // XIndexAccess
            virtual ::sal_Int32 SAL_CALL getCount(  ) throw (css::uno::RuntimeException, std::exception) override
                { return m_pResMgr.get() ? SAL_MAX_UINT16 : 0; };
            // XElementAccess
            virtual sal_Bool SAL_CALL hasElements(  ) throw (css::uno::RuntimeException, std::exception) override
                { return static_cast<bool>(m_pResMgr.get()); };

        protected:
            // m_pResMgr should never be NULL
            const std::shared_ptr<ResMgr> m_pResMgr;
    };

    class ResourceStringIndexAccess : public ResourceIndexAccessBase
    {
        public:
            explicit ResourceStringIndexAccess(const std::shared_ptr<ResMgr>& pResMgr)
                : ResourceIndexAccessBase(pResMgr) {}
            // XIndexAccess
            virtual css::uno::Any SAL_CALL getByIndex( ::sal_Int32 Index ) throw (css::lang::IndexOutOfBoundsException, css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception) override;
            // XElementAccessBase
            virtual css::uno::Type SAL_CALL getElementType(  ) throw (css::uno::RuntimeException, std::exception) override
                { return ::cppu::UnoType<OUString>::get(); };
    };
}

ResourceIndexAccess::ResourceIndexAccess(Sequence<Any> const& rArgs, Reference<XComponentContext> const&)
    : m_pResMgr(GetResMgr(rArgs))
{};

Any SAL_CALL ResourceIndexAccess::getByName(const OUString& aName)
    throw (NoSuchElementException, WrappedTargetException, RuntimeException, std::exception)
{
    const Sequence<OUString> aNames(getElementNames());
    Reference<XIndexAccess> xResult;
    switch(::std::find(aNames.begin(), aNames.end(), aName) - aNames.begin())
    {
        case 0:
            xResult.set(new ResourceStringIndexAccess(m_pResMgr));
            break;
        default:
            throw NoSuchElementException();
    }
    return makeAny(xResult);
}

Sequence<OUString> SAL_CALL ResourceIndexAccess::getElementNames(  )
    throw (RuntimeException, std::exception)
{
    static Sequence<OUString> aResult;
    if( aResult.getLength() == 0)
    {
        aResult.realloc(1);
        aResult[0] = "String";
    }
    return aResult;
}

sal_Bool SAL_CALL ResourceIndexAccess::hasByName(const OUString& aName)
    throw (RuntimeException, std::exception)
{
    const Sequence<OUString> aNames(getElementNames());
    return (::std::find(aNames.begin(), aNames.end(), aName) != aNames.end());
}

Any SAL_CALL ResourceStringIndexAccess::getByIndex(sal_Int32 nIdx)
    throw (IndexOutOfBoundsException, WrappedTargetException, RuntimeException, std::exception)
{
    if(nIdx > SAL_MAX_UINT16 || nIdx < 0)
        throw IndexOutOfBoundsException();
    SolarMutexGuard aGuard;
    if(!m_pResMgr.get())
        throw RuntimeException("resource manager not available");

    const ResId aId(static_cast<sal_uInt16>(nIdx), *m_pResMgr);
    aId.SetRT(RSC_STRING);

    if(!m_pResMgr->IsAvailable(aId))
        throw RuntimeException("string resource for id not available");

    return makeAny(aId.toString());
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */