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@ -20,9 +20,9 @@ protected:
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WChar *type; ///< Array with type information about the data. Can be nullptr when no type information is needed. See #StringControlCode.
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WChar next_type = 0; ///< The type of the next data that is retrieved.
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size_t offset = 0; ///< Current offset in the data/type arrays.
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public:
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size_t offset = 0; ///< Current offset in the data/type arrays.
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size_t num_param; ///< Length of the data array.
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/** Create a new StringParameters instance. */
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@ -60,6 +60,31 @@ public:
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void PrepareForNextRun();
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void SetTypeOfNextParameter(WChar type) { this->next_type = type; }
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/**
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* Get the current offset, so it can be backed up for certain processing
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* steps, or be used to offset the argument index within sub strings.
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* @return The current offset.
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*/
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size_t GetOffset() { return this->offset; }
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/**
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* Set the offset within the string from where to return the next result of
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* \c GetInt64 or \c GetInt32.
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* @param offset The offset.
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*/
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void SetOffset(size_t offset)
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{
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/*
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* The offset must be fewer than the number of parameters when it is
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* being set. Unless restoring a backup, then the original value is
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* correct as well as long as the offset was not changed. In other
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* words, when the offset was already at the end of the parameters and
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* the string did not consume any parameters.
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*/
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assert(offset < this->num_param || this->offset == offset);
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this->offset = offset;
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}
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int64 GetInt64();
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/** Read an int32 from the argument array. @see GetInt64. */
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