mirror of git://git.psyc.eu/libpsyc
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
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This file is part of libpsyc.
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Copyright (C) 2011,2012 Carlo v. Loesch, Gabor X Toth, Mathias L. Baumann,
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and other contributing authors.
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libpsyc is free software: you can redistribute it and/or modify it under the
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terms of the GNU Affero General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option) any
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later version. As a special exception, libpsyc is distributed with additional
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permissions to link libpsyc libraries with non-AGPL works.
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libpsyc is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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details.
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You should have received a copy of the GNU Affero General Public License and
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the linking exception along with libpsyc in a COPYING file.
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*/
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#ifndef PSYC_RENDER_H
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#define PSYC_RENDER_H
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#include "packet.h"
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/**
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* @file psyc/render.h
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* @brief Interface for PSYC packet rendering.
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*
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* All rendering functions and the definitions they use are defined here.
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*/
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/**
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* @defgroup render Rendering Functions
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*
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* This module contains all rendering functions.
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* @{
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*/
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/**
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* Return codes for psyc_render.
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*/
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typedef enum {
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/// Error, method is missing, but data is present.
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PSYC_RENDER_ERROR_METHOD_MISSING = -3,
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/// Error, a modifier name is missing.
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PSYC_RENDER_ERROR_MODIFIER_NAME_MISSING = -2,
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/// Error, buffer is too small to render the packet.
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PSYC_RENDER_ERROR = -1,
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/// Packet is rendered successfully in the buffer.
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PSYC_RENDER_SUCCESS = 0,
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} PsycRenderRC;
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/**
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* Render a PSYC packet into a buffer.
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*
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* The packet structure should contain the packet parts, either routing, entity,
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* method & data, or routing & content when rendering raw content.
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* It should also contain the contentLength & total length of the packet,
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* you can use psyc_packet_length_set() for calculating & setting these values.
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* This function renders packet->length bytes to the buffer,
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* if buflen is less than that an error is returned.
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*
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* @see psyc_packet_init()
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* @see psyc_packet_init_raw()
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* @see psyc_packet_length_set()
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*/
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#ifdef __INLINE_PSYC_RENDER
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inline
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#endif
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PsycRenderRC
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psyc_render (PsycPacket *packet, char *buffer, size_t buflen);
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size_t
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psyc_render_modifier (PsycModifier *mod, char *buffer);
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PsycRenderRC
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psyc_render_elem (PsycElem *elem, char *buffer, size_t buflen);
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PsycRenderRC
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psyc_render_dict_key (PsycDictKey *elem, char *buffer, size_t buflen);
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/**
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* Render a PSYC list into a buffer.
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*/
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#ifdef __INLINE_PSYC_RENDER
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inline
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#endif
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PsycRenderRC
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psyc_render_list (PsycList *list, char *buffer, size_t buflen);
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PsycRenderRC
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psyc_render_dict (PsycDict *dict, char *buffer, size_t buflen);
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/** @} */ // end of render group
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#endif
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