mirror of
https://git.pwmt.org/pwmt/zathura.git
synced 2024-09-21 04:31:18 +02:00
342 lines
9.9 KiB
C
342 lines
9.9 KiB
C
/* See LICENSE file for license and copyright information */
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#ifndef DOCUMENT_H
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#define DOCUMENT_H
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#include <cairo.h>
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#include <gtk/gtk.h>
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#include <stdbool.h>
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#include <girara/types.h>
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#include "zathura.h"
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#include "version.h"
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#include "types.h"
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#define PLUGIN_REGISTER_FUNCTION "plugin_register"
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#define PLUGIN_API_VERSION_FUNCTION "plugin_api_version"
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#define PLUGIN_ABI_VERSION_FUNCTION "plugin_abi_version"
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/**
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* Register a plugin.
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*
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* @param plugin_name the name of the plugin
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* @param major the plugin's major version
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* @param minor the plugin's minor version
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* @param rev the plugin's revision
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* @param plugin_open_function the plugin's open function
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* @param mimetypes a char array of mime types supported by the plugin
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*/
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#define PLUGIN_REGISTER(plugin_name, major, minor, rev, plugin_open_function, mimetypes) \
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unsigned int plugin_version_major() { return major; } \
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unsigned int plugin_version_minor() { return minor; } \
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unsigned int plugin_version_revision() { return rev; } \
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unsigned int plugin_api_version() { return ZATHURA_API_VERSION; } \
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unsigned int plugin_abi_version() { return ZATHURA_ABI_VERSION; } \
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\
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void plugin_register(zathura_document_plugin_t* plugin) \
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{ \
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if (plugin == NULL) { \
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return; \
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} \
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plugin->open_function = (plugin_open_function); \
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static const char* mime_types[] = mimetypes; \
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for (size_t s = 0; s != sizeof(mime_types) / sizeof(const char*); ++s) { \
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girara_list_append(plugin->content_types, g_content_type_from_mime_type(mime_types[s])); \
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} \
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} \
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#define PLUGIN_MIMETYPES(...) __VA_ARGS__
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/**
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* Error types for plugins
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*/
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typedef enum zathura_plugin_error_e
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{
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ZATHURA_PLUGIN_ERROR_OK, /**< No error occured */
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ZATHURA_PLUGIN_ERROR_UNKNOWN, /**< An unknown error occured */
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ZATHURA_PLUGIN_ERROR_OUT_OF_MEMORY, /**< Out of memory */
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ZATHURA_PLUGIN_ERROR_NOT_IMPLEMENTED, /**< The called function has not been implemented */
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ZATHURA_PLUGIN_ERROR_INVALID_ARGUMENTS, /**< Invalid arguments have been passed */
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ZATHURA_PLUGIN_ERROR_INVALID_PASSWORD /**< The provided password is invalid */
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} zathura_plugin_error_t;
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/**
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* Document open function
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*
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* @param document The document
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* @return true if no error occured otherwise false
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*/
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typedef zathura_plugin_error_t (*zathura_document_open_t)(zathura_document_t* document);
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/**
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* Document plugin structure
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*/
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typedef struct zathura_document_plugin_s
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{
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girara_list_t* content_types; /**< List of supported content types */
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zathura_document_open_t open_function; /**< Document open function */
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void* handle; /**< DLL handle */
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} zathura_document_plugin_t;
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/**
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* Plugin mapping
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*/
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typedef struct zathura_type_plugin_mapping_s
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{
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const gchar* type; /**< Plugin type */
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zathura_document_plugin_t* plugin; /**< Mapped plugin */
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} zathura_type_plugin_mapping_t;
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/**
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* Meta data entries
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*/
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typedef enum zathura_document_meta_e
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{
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ZATHURA_DOCUMENT_TITLE, /**< Title of the document */
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ZATHURA_DOCUMENT_AUTHOR, /**< Author of the document */
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ZATHURA_DOCUMENT_SUBJECT, /**< Subject of the document */
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ZATHURA_DOCUMENT_KEYWORDS, /**< Keywords of the document */
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ZATHURA_DOCUMENT_CREATOR, /**< Creator of the document */
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ZATHURA_DOCUMENT_PRODUCER, /**< Producer of the document */
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ZATHURA_DOCUMENT_CREATION_DATE, /**< Creation data */
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ZATHURA_DOCUMENT_MODIFICATION_DATE /**< Modification data */
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} zathura_document_meta_t;
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typedef struct zathura_password_dialog_info_s
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{
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char* path; /**< Path to the file */
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zathura_t* zathura; /**< Zathura session */
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} zathura_password_dialog_info_t;
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/**
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* Function prototype that is called to register a document plugin
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*
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* @param The document plugin
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*/
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typedef void (*zathura_plugin_register_service_t)(zathura_document_plugin_t*);
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/**
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* Function prototype that is called to get the plugin's API version.
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*
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* @return plugin's API version
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*/
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typedef unsigned int (*zathura_plugin_api_version_t)();
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/**
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* Function prototype that is called to get the ABI version the plugin is built
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* against.
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*
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* @return plugin's ABI version
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*/
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typedef unsigned int (*zathura_plugin_abi_version_t)();
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/**
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* Document
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*/
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struct zathura_document_s
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{
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char* file_path; /**< File path of the document */
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const char* password; /**< Password of the document */
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unsigned int current_page_number; /**< Current page number */
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unsigned int number_of_pages; /**< Number of pages */
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double scale; /**< Scale value */
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unsigned int rotate; /**< Rotation */
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void* data; /**< Custom data */
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zathura_t* zathura; /** Zathura object */
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int adjust_mode; /**< Adjust mode (best-fit, width) */
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unsigned int page_offset; /**< Page offset */
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struct
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{
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/**
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* Frees the document
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*/
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zathura_plugin_error_t (*document_free)(zathura_document_t* document);
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/**
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* Generates the document index
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*/
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girara_tree_node_t* (*document_index_generate)(zathura_document_t* document, zathura_plugin_error_t* error);
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/**
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* Save the document
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*/
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zathura_plugin_error_t (*document_save_as)(zathura_document_t* document, const char* path);
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/**
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* Get list of attachments
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*/
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girara_list_t* (*document_attachments_get)(zathura_document_t* document, zathura_plugin_error_t* error);
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/**
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* Save attachment to a file
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*/
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zathura_plugin_error_t (*document_attachment_save)(zathura_document_t* document, const char* attachment, const char* file);
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/**
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* Get document information
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*/
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char* (*document_meta_get)(zathura_document_t* document, zathura_document_meta_t info, zathura_plugin_error_t* error);
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/**
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* Gets the page object
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*/
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zathura_plugin_error_t (*page_init)(zathura_page_t* page);
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/**
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* Free page
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*/
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zathura_plugin_error_t (*page_clear)(zathura_page_t* page);
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/**
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* Search text
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*/
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girara_list_t* (*page_search_text)(zathura_page_t* page, const char* text, zathura_plugin_error_t* error);
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/**
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* Get links on a page
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*/
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girara_list_t* (*page_links_get)(zathura_page_t* page, zathura_plugin_error_t* error);
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/**
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* Get form fields
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*/
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girara_list_t* (*page_form_fields_get)(zathura_page_t* page, zathura_plugin_error_t* error);
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/**
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* Get list of images
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*/
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girara_list_t* (*page_images_get)(zathura_page_t* page, zathura_plugin_error_t* error);
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/**
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* Get the image
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*/
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cairo_surface_t* (*page_image_get_cairo)(zathura_page_t* page, zathura_image_t* image, zathura_plugin_error_t* error);
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/**
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* Get text for selection
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*/
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char* (*page_get_text)(zathura_page_t* page, zathura_rectangle_t rectangle, zathura_plugin_error_t* error);
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/**
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* Renders the page
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*/
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zathura_image_buffer_t* (*page_render)(zathura_page_t* page, zathura_plugin_error_t* error);
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/**
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* Renders the page
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*/
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zathura_plugin_error_t (*page_render_cairo)(zathura_page_t* page, cairo_t* cairo, bool printing);
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} functions;
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/**
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* Document pages
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*/
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zathura_page_t** pages;
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};
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/**
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* Load all document plugins
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*
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* @param zathura the zathura session
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*/
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void zathura_document_plugins_load(zathura_t* zathura);
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/**
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* Free a document plugin
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*
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* @param plugin The plugin
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*/
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void zathura_document_plugin_free(zathura_document_plugin_t* plugin);
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/**
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* Open the document
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*
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* @param zathura Zathura object
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* @param path Path to the document
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* @param password Password of the document or NULL
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* @return The document object
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*/
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zathura_document_t* zathura_document_open(zathura_t* zathura, const char* path,
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const char* password);
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/**
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* Free the document
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*
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* @param document
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* @return ZATHURA_PLUGIN_ERROR_OK when no error occured, otherwise see
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* zathura_plugin_error_t
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*/
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zathura_plugin_error_t zathura_document_free(zathura_document_t* document);
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/**
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* Save the document
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*
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* @param document The document object
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* @param path Path for the saved file
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* @return ZATHURA_PLUGIN_ERROR_OK when no error occured, otherwise see
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* zathura_plugin_error_t
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*/
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zathura_plugin_error_t zathura_document_save_as(zathura_document_t* document, const char* path);
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/**
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* Generate the document index
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*
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* @param document The document object
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* @param error Set to an error value (see \ref zathura_plugin_error_t) if an
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* error occured
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* @return Generated index
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*/
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girara_tree_node_t* zathura_document_index_generate(zathura_document_t* document, zathura_plugin_error_t* error);
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/**
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* Get list of attachments
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*
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* @param document The document object
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* @param error Set to an error value (see \ref zathura_plugin_error_t) if an
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* error occured
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* @return List of attachments
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*/
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girara_list_t* zathura_document_attachments_get(zathura_document_t* document, zathura_plugin_error_t* error);
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/**
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* Save document attachment
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*
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* @param document The document objects
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* @param attachment name of the attachment
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* @param file the target filename
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* @return ZATHURA_PLUGIN_ERROR_OK when no error occured, otherwise see
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* zathura_plugin_error_t
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*/
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zathura_plugin_error_t zathura_document_attachment_save(zathura_document_t* document, const char* attachment, const char* file);
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/**
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* Returns a string of the requested information
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*
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* @param document The zathura document
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* @param meta The information field
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* @param error Set to an error value (see \ref zathura_plugin_error_t) if an
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* error occured
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* @return String or NULL if information could not be retreived
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*/
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char* zathura_document_meta_get(zathura_document_t* document, zathura_document_meta_t meta, zathura_plugin_error_t* error);
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/**
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* Add type -> plugin mapping
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* @param zathura zathura instance
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* @param type content type
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* @param plugin plugin instance
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* @return true on success, false if another plugin is already registered for
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* that type
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*/
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bool zathura_type_plugin_mapping_new(zathura_t* zathura, const gchar* type, zathura_document_plugin_t* plugin);
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/**
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* Free type -> plugin mapping
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* @param mapping To be freed
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*/
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void zathura_type_plugin_mapping_free(zathura_type_plugin_mapping_t* mapping);
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#endif // DOCUMENT_H
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