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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef PPAPI_CPP_DEV_VAR_ARRAY_DEV_H_ | |
| 6 #define PPAPI_CPP_DEV_VAR_ARRAY_DEV_H_ | |
| 7 | |
| 8 #include "ppapi/c/pp_bool.h" | |
| 9 #include "ppapi/c/pp_stdint.h" | |
| 10 #include "ppapi/cpp/var.h" | |
| 11 | |
| 12 /// @file | |
| 13 /// This file defines the API for interacting with array vars. | |
| 14 | |
| 15 namespace pp { | |
| 16 | |
| 17 class VarArray_Dev : public Var { | |
| 18 public: | |
| 19 /// Constructs a new array var. | |
| 20 VarArray_Dev(); | |
| 21 | |
| 22 /// Constructs a <code>VarArray_Dev</code> given a var for which is_array() is | |
| 23 /// true. This will refer to the same array var, but allow you to access | |
| 24 /// methods specific to arrays. | |
| 25 /// | |
| 26 /// @param[in] var An array var. | |
| 27 explicit VarArray_Dev(const Var& var); | |
| 28 | |
| 29 /// Constructs a <code>VarArray_Dev</code> given a <code>PP_Var</code> of type | |
| 30 /// PP_VARTYPE_ARRAY. | |
| 31 /// | |
| 32 /// @param[in] var A <code>PP_Var</code> of type PP_VARTYPE_ARRAY. | |
| 33 explicit VarArray_Dev(const PP_Var& var); | |
| 34 | |
| 35 /// Copy constructor. | |
| 36 VarArray_Dev(const VarArray_Dev& other); | |
| 37 | |
| 38 virtual ~VarArray_Dev(); | |
| 39 | |
| 40 /// Assignment operator. | |
| 41 VarArray_Dev& operator=(const VarArray_Dev& other); | |
| 42 | |
| 43 /// The <code>Var</code> assignment operator is overridden here so that we can | |
| 44 /// check for assigning a non-array var to a <code>VarArray_Dev</code>. | |
| 45 /// | |
| 46 /// @param[in] other The array var to be assigned. | |
| 47 /// | |
| 48 /// @return The resulting <code>VarArray_Dev</code> (as a <code>Var</code>&). | |
| 49 virtual Var& operator=(const Var& other); | |
| 50 | |
| 51 /// Gets an element from the array. | |
| 52 /// | |
| 53 /// @param[in] index An index indicating which element to return. | |
| 54 /// | |
| 55 /// @return The element at the specified position. If <code>index</code> is | |
| 56 /// larger than or equal to the array length, an undefined var is returned. | |
| 57 Var Get(uint32_t index) const; | |
| 58 | |
| 59 /// Sets the value of an element in the array. | |
| 60 /// | |
| 61 /// @param[in] index An index indicating which element to modify. If | |
| 62 /// <code>index</code> is larger than or equal to the array length, the length | |
| 63 /// is updated to be <code>index</code> + 1. Any position in the array that | |
| 64 /// hasn't been set before is set to undefined, i.e., <code>PP_Var</code> of | |
| 65 /// type <code>PP_VARTYPE_UNDEFINED</code>. | |
| 66 /// @param[in] value The value to set. | |
| 67 /// | |
| 68 /// @return A <code>PP_Bool</code> indicating whether the operation succeeds. | |
| 69 PP_Bool Set(uint32_t index, const Var& value); | |
| 70 | |
| 71 /// Gets the array length. | |
| 72 /// | |
| 73 /// @return The array length. | |
| 74 uint32_t GetLength() const; | |
| 75 | |
| 76 /// Sets the array length. | |
| 77 /// | |
| 78 /// @param[in] length The new array length. If <code>length</code> is smaller | |
| 79 /// than its current value, the array is truncated to the new length; any | |
| 80 /// elements that no longer fit are removed. If <code>length</code> is larger | |
| 81 /// than its current value, undefined vars are appended to increase the array | |
| 82 /// to the specified length. | |
| 83 /// | |
| 84 /// @return A <code>PP_Bool</code> indicating whether the operation succeeds. | |
| 85 PP_Bool SetLength(uint32_t length); | |
| 86 }; | |
| 87 | |
| 88 } // namespace pp | |
| 89 | |
| 90 #endif // PPAPI_CPP_DEV_VAR_ARRAY_DEV_H_ | |
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Chromium Code Reviews
Issue 16136009:
Move PPB_VarArray and PPB_VarDictionary out of dev. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src