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/*===========================================================================*
* *
* ggcomm.h - Common functions *
* *
* Copyright (c) 1996-2010 iMatix Corporation *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, 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. *
* *
* For information on alternative licensing for OEMs, please contact *
* iMatix Corporation. *
* *
*===========================================================================*/
#ifndef GGCOMM_INCLUDED /* Allow multiple inclusions */
#define GGCOMM_INCLUDED
/*- Macros ------------------------------------------------------------------*/
#define LONG_WIDTH 10
#define PATH "PATH"
#define BLOCK_START_MARKER 1
#define BLOCK_END_MARKER 2
#define BLOCK_DONE_MARKER 3
#define copy_value(d,s) copy_value_ (NULL, d, s)
#define string_result(r) ((r) ? string_value (& (r)-> value) : NULL)
#define number_result(r) ((r) ? number_value (& (r)-> value) : NULL)
/*- Type definitions --------------------------------------------------------*/
typedef struct _SCRIPT_NODE SCRIPT_NODE;
typedef struct _CLASS_DESCRIPTOR CLASS_DESCRIPTOR;
typedef struct _RESULT_NODE RESULT_NODE;
typedef enum { GG_COMMENT,
GG_LINE,
GG_TEXT,
GG_SUBSTITUTE,
GG_OPERATOR,
GG_LITERAL,
GG_NUMBER,
GG_SYMBOL,
GG_MEMBER,
GG_ATTRIBUTE,
GG_CALL,
GG_OUTPUT,
GG_APPEND,
GG_CLOSE,
GG_IF,
GG_ELSIF,
GG_ELSE,
GG_END_IF,
GG_FOR,
GG_END_FOR,
GG_SCOPE,
GG_END_SCOPE,
GG_NEW,
GG_END_NEW,
GG_DELETE,
GG_MOVE,
GG_COPY,
GG_WHILE,
GG_END_WHILE,
GG_NEXT,
GG_LAST,
GG_MACRO,
GG_END_MACRO,
GG_FUNCTION,
GG_END_FUNCTION,
GG_RETURN,
GG_GSL,
GG_DIRECT,
GG_XML,
GG_TEMPLATE,
GG_END_TEMPLATE,
GG_ECHO,
GG_ABORT,
GG_DEFINE,
GG_SAVE,
GG_SORT,
GG_UNDEFINED }
SCRIPT_NODE_TYPE;
typedef enum { OP_UNDEFINED,
OP_TIMES,
OP_DIVIDE,
OP_PLUS,
OP_MINUS,
OP_IIF,
OP_DEFAULT,
OP_EQUALS,
OP_NOT_EQUALS,
OP_GREATER_THAN,
OP_LESS_THAN,
OP_GREATER_EQUAL,
OP_LESS_EQUAL,
OP_SAFE_EQUALS,
OP_SAFE_NOT_EQUALS,
OP_SAFE_GREATER_THAN,
OP_SAFE_LESS_THAN,
OP_SAFE_GREATER_EQUAL,
OP_SAFE_LESS_EQUAL,
OP_NOT,
OP_OR,
OP_AND,
OP_NEXT_ARG }
OPERATOR;
typedef enum { TYPE_UNDEFINED,
TYPE_STRING,
TYPE_NUMBER,
TYPE_BLOCK,
TYPE_POINTER,
TYPE_UNKNOWN }
DATA_TYPE;
typedef struct {
DATA_TYPE
type;
char
*s; /* String value */
double
n; /* Numeric value */
char
**b; /* Block value */
CLASS_DESCRIPTOR
*c; /* Pointer value - class */
void
*i; /* Pointer value - item */
} VALUE;
struct _SCRIPT_NODE {
SCRIPT_NODE
*parent;
SCRIPT_NODE
*scope,
*name,
*op1,
*op2,
*as,
*to,
*before, /* Also 'where' */
*after; /* Also 'by' */
VALUE
result; /* Only used if result is constant */
int
width:16, /* Width of script construct */
spaces:16, /* Leading spaces in script */
brackets:16;
OPERATOR
operator:8;
SCRIPT_NODE_TYPE
type:8;
int
extend:1,
constant:1, /* Is the result constant? */
stacked:1, /* Is scope to be 'stacked'? */
dynamic:1; /* TRUE if job == 0. */
};
typedef struct {
CLASS_DESCRIPTOR
*class;
void
*item;
} CLASS_ITEM;
typedef enum {
PARM_VALUE,
PARM_REFERENCE,
PARM_SIMPLE_SCOPE,
PARM_EXPRESSION
} PARM_TYPE;
typedef
PARM_TYPE PARM_LIST [];
typedef int PLUGIN_INITIALISE (CLASS_DESCRIPTOR **class,
void **item,
THREAD *gsl_thread);
typedef const char * ITEM_NAME_FUNCTION (void *item);
typedef VALUE * GET_ATTR_FUNCTION ( void *item,
const char *name,
Bool ignorecase);
typedef int PUT_ATTR_FUNCTION ( void *item,
const char *name,
VALUE *value,
Bool ignorecase);
typedef int NAVIGATE_FUNCTION (void *olditem,
const char *name,
Bool ignorecase,
CLASS_DESCRIPTOR **class,
void **item);
typedef int PARENT_FUNCTION (void *olditem,
CLASS_DESCRIPTOR **class,
void **item,
THREAD *gsl_thread);
typedef int CREATE_FUNCTION (const char *name,
void *parent,
void *sibling,
CLASS_DESCRIPTOR **class,
void **item);
typedef int ITEM_FUNCTION (void *item);
typedef void * ATTACH_FUNCTION ( void *item,
CLASS_DESCRIPTOR *to_class,
const char *name,
void *parent,
void *sibling);
typedef void REMOVE_FUNCTION (void *item, void *remove);
typedef int EVAL_FUNCTION (int argc,
RESULT_NODE **argv,
void *item,
RESULT_NODE *result,
THREAD *gsl_thread);
typedef int THREAD_FUNCTION (THREAD *gsl_thread);
typedef struct {
char
*name;
int
min_parmc,
max_parmc,
cnt_parmt;
PARM_LIST
*parmt;
Bool
immediate;
EVAL_FUNCTION
*evaluate;
} GSL_FUNCTION;
struct _CLASS_DESCRIPTOR {
const char
*name;
ITEM_NAME_FUNCTION
*item_name;
GET_ATTR_FUNCTION
*get_attr;
PUT_ATTR_FUNCTION
*put_attr;
NAVIGATE_FUNCTION
*first_child,
*next_sibling;
PARENT_FUNCTION
*parent;
CREATE_FUNCTION
*create;
ITEM_FUNCTION
*destroy;
ITEM_FUNCTION
*link,
*delete;
ATTACH_FUNCTION
*copy,
*move;
REMOVE_FUNCTION
*remove;
GSL_FUNCTION
*methods;
int
method_cnt;
};
struct _RESULT_NODE {
RESULT_NODE
*next, /* In stack or cache */
*parent,
*scope,
*name,
*op1,
*op2,
*as,
*to,
*before,
*after,
*operand; /* Result of evaluating operand */
SCRIPT_NODE
*script_node; /* Corresponding parse node */
RESULT_NODE
*result_node;
void
*macro;
GSL_FUNCTION
*gsl_function;
int
argc;
RESULT_NODE
**argv;
char
*culprit;
int
indent, /* Leading spaces after shuffling */
width, /* Width of last line of result */
item_nbr;
VALUE
value; /* Result */
Bool
constant; /* Is result constant? */
};
/*- Functions ---------------------------------------------------------------*/
Bool gsl_file_read (FILE *stream,
char *string);
char * name_the_symbol (RESULT_NODE *node);
void result_node_error (const char *message,
RESULT_NODE *node,
char **error_text);
char *extended_scope_string (RESULT_NODE *scope);
void init_value (VALUE *value);
void destroy_value (VALUE *value);
void copy_value_ (MEMTRN *memtrn,
VALUE *dest,
VALUE *source);
void assign_number (VALUE *dest,
double n);
void assign_string (VALUE *dest,
char *s);
void assign_pointer (VALUE *dest,
CLASS_DESCRIPTOR *c,
void *i);
void free_pointer (CLASS_DESCRIPTOR *c,
void *i);
RESULT_NODE *new_result_node (void);
void init_result (RESULT_NODE *node);
void destroy_result (RESULT_NODE *node);
void copy_result (RESULT_NODE *dest,
RESULT_NODE *source);
char *string_value (VALUE *value);
double number_value (VALUE *value);
int parse_format (char *format, size_t format_max,
char *conversion,
RESULT_NODE *node,
char **error_text);
int format_output (char *format,
char conversion,
int width,
RESULT_NODE *node);
int pretty_print (VALUE *result,
RESULT_NODE *pretty,
char *example,
int space,
char **error_text);
size_t strllen (const char *s);
char *concatenate_results (RESULT_NODE *r,
int shuffle,
Bool convert_indent,
char **error_text);
void destroy_caches (void);
/*---------------------------------------------------------------------------*/
#endif
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