/* * "$Id: mxml.h 22267 2006-04-24 17:11:45Z kpfleming $" * * Header file for Mini-XML, a small XML-like file parsing library. * * Copyright 2003-2005 by Michael Sweet. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ /* * Prevent multiple inclusion... */ #ifndef _mxml_h_ # define _mxml_h_ /* * Include necessary headers... */ # include # include # include # include # include /* * Constants... */ # define MXML_WRAP 72 /* Wrap XML output at this column position */ # define MXML_TAB 8 /* Tabs every N columns */ # define MXML_NO_CALLBACK 0 /* Don't use a type callback */ # define MXML_INTEGER_CALLBACK mxml_integer_cb /* Treat all data as integers */ # define MXML_OPAQUE_CALLBACK mxml_opaque_cb /* Treat all data as opaque */ # define MXML_REAL_CALLBACK mxml_real_cb /* Treat all data as real numbers */ # define MXML_TEXT_CALLBACK 0 /* Treat all data as text */ # define MXML_NO_PARENT 0 /* No parent for the node */ # define MXML_DESCEND 1 /* Descend when finding/walking */ # define MXML_NO_DESCEND 0 /* Don't descend when finding/walking */ # define MXML_DESCEND_FIRST -1 /* Descend for first find */ # define MXML_WS_BEFORE_OPEN 0 /* Callback for before open tag */ # define MXML_WS_AFTER_OPEN 1 /* Callback for after open tag */ # define MXML_WS_BEFORE_CLOSE 2 /* Callback for before close tag */ # define MXML_WS_AFTER_CLOSE 3 /* Callback for after close tag */ # define MXML_ADD_BEFORE 0 /* Add node before specified node */ # define MXML_ADD_AFTER 1 /* Add node after specified node */ # define MXML_ADD_TO_PARENT NULL /* Add node relative to parent */ /* * Data types... */ typedef enum mxml_type_e /**** The XML node type. ****/ { MXML_ELEMENT, /* XML element with attributes */ MXML_INTEGER, /* Integer value */ MXML_OPAQUE, /* Opaque string */ MXML_REAL, /* Real value */ MXML_TEXT, /* Text fragment */ MXML_CUSTOM /* Custom data */ } mxml_type_t; typedef struct mxml_attr_s /**** An XML element attribute value. ****/ { char *name; /* Attribute name */ char *value; /* Attribute value */ } mxml_attr_t; typedef struct mxml_value_s /**** An XML element value. ****/ { char *name; /* Name of element */ int num_attrs; /* Number of attributes */ mxml_attr_t *attrs; /* Attributes */ } mxml_element_t; typedef struct mxml_text_s /**** An XML text value. ****/ { int whitespace; /* Leading whitespace? */ char *string; /* Fragment string */ } mxml_text_t; typedef struct mxml_custom_s /**** An XML custom value. ****/ { void *data; /* Pointer to (allocated) custom data */ void (*destroy)(void *); /* Pointer to destructor function */ } mxml_custom_t; typedef union mxml_value_u /**** An XML node value. ****/ { mxml_element_t element; /* Element */ int integer; /* Integer number */ char *opaque; /* Opaque string */ double real; /* Real number */ mxml_text_t text; /* Text fragment */ mxml_custom_t custom; /* Custom data */ } mxml_value_t; typedef struct mxml_node_s /**** An XML node. ****/ { mxml_type_t type; /* Node type */ struct mxml_node_s *next; /* Next node under same parent */ struct mxml_node_s *prev; /* Previous node under same parent */ struct mxml_node_s *parent; /* Parent node */ struct mxml_node_s *child; /* First child node */ struct mxml_node_s *last_child; /* Last child node */ mxml_value_t value; /* Node value */ } mxml_node_t; typedef struct mxml_index_s /**** An XML node index. ****/ { char *attr; /* Attribute used for indexing or NULL */ int num_nodes; /* Number of nodes in index */ int alloc_nodes; /* Allocated nodes in index */ int cur_node; /* Current node */ mxml_node_t **nodes; /* Node array */ } mxml_index_t; typedef int (*mxml_custom_load_cb_t)(mxml_node_t *, const char *); /**** Custom data load callback function ****/ typedef char *(*mxml_custom_save_cb_t)(mxml_node_t *); /**** Custom data save callback function ****/ /* * C++ support... */ # ifdef __cplusplus extern "C" { # endif /* __cplusplus */ /* * Prototypes... */ extern void mxmlAdd(mxml_node_t *parent, int where, mxml_node_t *child, mxml_node_t *node); extern void mxmlDelete(mxml_node_t *node); extern const char *mxmlElementGetAttr(mxml_node_t *node, const char *name); extern void mxmlElementSetAttr(mxml_node_t *node, const char *name, const char *value); extern int mxmlEntityAddCallback(int (*cb)(const char *name)); extern const char *mxmlEntityGetName(int val); extern int mxmlEntityGetValue(const char *name); extern void mxmlEntityRemoveCallback(int (*cb)(const char *name)); extern mxml_node_t *mxmlFindElement(mxml_node_t *node, mxml_node_t *top, const char *name, const char *attr, const char *value, int descend); extern void mxmlIndexDelete(mxml_index_t *ind); extern mxml_node_t *mxmlIndexEnum(mxml_index_t *ind); extern mxml_node_t *mxmlIndexFind(mxml_index_t *ind, const char *element, const char *value); extern mxml_index_t *mxmlIndexNew(mxml_node_t *node, const char *element, const char *attr); extern mxml_node_t *mxmlIndexReset(mxml_index_t *ind); extern mxml_node_t *mxmlLoadFd(mxml_node_t *top, int fd, mxml_type_t (*cb)(mxml_node_t *)); extern mxml_node_t *mxmlLoadFile(mxml_node_t *top, FILE *fp, mxml_type_t (*cb)(mxml_node_t *)); extern mxml_node_t *mxmlLoadString(mxml_node_t *top, const char *s, mxml_type_t (*cb)(mxml_node_t *)); extern mxml_node_t *mxmlNewCustom(mxml_node_t *parent, void *data, void (*destroy)(void *)); extern mxml_node_t *mxmlNewElement(mxml_node_t *parent, const char *name); extern mxml_node_t *mxmlNewInteger(mxml_node_t *parent, int integer); extern mxml_node_t *mxmlNewOpaque(mxml_node_t *parent, const char *opaque); extern mxml_node_t *mxmlNewReal(mxml_node_t *parent, double real); extern mxml_node_t *mxmlNewText(mxml_node_t *parent, int whitespace, const char *string); extern mxml_node_t *mxmlNewTextf(mxml_node_t *parent, int whitespace, const char *format, ...) # ifdef __GNUC__ __attribute__ ((__format__ (__printf__, 3, 4))) # endif /* __GNUC__ */ ; extern void mxmlRemove(mxml_node_t *node); extern char *mxmlSaveAllocString(mxml_node_t *node, const char *(*cb)(mxml_node_t *, int)); extern int mxmlSaveFd(mxml_node_t *node, int fd, const char *(*cb)(mxml_node_t *, int)); extern int mxmlSaveFile(mxml_node_t *node, FILE *fp, const char *(*cb)(mxml_node_t *, int)); extern int mxmlSaveString(mxml_node_t *node, char *buffer, int bufsize, const char *(*cb)(mxml_node_t *, int)); extern int mxmlSetCustom(mxml_node_t *node, void *data, void (*destroy)(void *)); extern void mxmlSetCustomHandlers(mxml_custom_load_cb_t load, mxml_custom_save_cb_t save); extern int mxmlSetElement(mxml_node_t *node, const char *name); extern void mxmlSetErrorCallback(void (*cb)(const char *)); extern int mxmlSetInteger(mxml_node_t *node, int integer); extern int mxmlSetOpaque(mxml_node_t *node, const char *opaque); extern int mxmlSetReal(mxml_node_t *node, double real); extern int mxmlSetText(mxml_node_t *node, int whitespace, const char *string); extern int mxmlSetTextf(mxml_node_t *node, int whitespace, const char *format, ...) # ifdef __GNUC__ __attribute__ ((__format__ (__printf__, 3, 4))) # endif /* __GNUC__ */ ; extern mxml_node_t *mxmlWalkNext(mxml_node_t *node, mxml_node_t *top, int descend); extern mxml_node_t *mxmlWalkPrev(mxml_node_t *node, mxml_node_t *top, int descend); /* * Private functions... */ extern void mxml_error(const char *format, ...); extern mxml_type_t mxml_integer_cb(mxml_node_t *node); extern mxml_type_t mxml_opaque_cb(mxml_node_t *node); extern mxml_type_t mxml_real_cb(mxml_node_t *node); /* * C++ support... */ # ifdef __cplusplus } # endif /* __cplusplus */ #endif /* !_mxml_h_ */ /* * End of "$Id: mxml.h 22267 2006-04-24 17:11:45Z kpfleming $". */