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Evolution-Data-Server Manual: Utilities (libedataserver) | ![]() |
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enum ESExpResultType; ESExpResult; enum ESExpTermType; ESExpSymbol; ESExpTerm; ESExp; ESExp * e_sexp_new (void); void e_sexp_ref (ESExp *f); void e_sexp_unref (ESExp *f); void e_sexp_add_function (ESExp *f, gint scope, const gchar *name, ESExpFunc *func, gpointer data); void e_sexp_add_ifunction (ESExp *f, gint scope, const gchar *name, ESExpIFunc *func, gpointer data); void e_sexp_add_variable (ESExp *f, gint scope, gchar *name, ESExpTerm *value); void e_sexp_remove_symbol (ESExp *f, gint scope, const gchar *name); gint e_sexp_set_scope (ESExp *f, gint scope); void e_sexp_input_text (ESExp *f, const gchar *text, gint len); void e_sexp_input_file (ESExp *f, gint fd); gint e_sexp_parse (ESExp *f); ESExpResult * e_sexp_eval (ESExp *f); ESExpResult * e_sexp_term_eval (struct _ESExp *f, struct _ESExpTerm *t); ESExpResult * e_sexp_result_new (struct _ESExp *f, gint type); void e_sexp_result_free (struct _ESExp *f, struct _ESExpResult *t); void e_sexp_resultv_free (struct _ESExp *f, gint argc, struct _ESExpResult **argv); void e_sexp_encode_bool (GString *s, gboolean state); void e_sexp_encode_string (GString *s, const gchar *string); void e_sexp_fatal_error (struct _ESExp *f, const gchar *why, ...); const gchar * e_sexp_error (struct _ESExp *f); ESExpTerm * e_sexp_parse_value (ESExp *f); gboolean e_sexp_evaluate_occur_times (ESExp *f, time_t *start, time_t *end);
typedef enum { ESEXP_RES_ARRAY_PTR=0, /* type is a ptrarray, what it points to is implementation dependant */ ESEXP_RES_INT, /* type is a number */ ESEXP_RES_STRING, /* type is a pointer to a single string */ ESEXP_RES_BOOL, /* boolean type */ ESEXP_RES_TIME, /* time_t type */ ESEXP_RES_UNDEFINED /* unknown type */ } ESExpResultType;
typedef struct { ESExpResultType type; union { GPtrArray *ptrarray; gint number; gchar *string; gint boolean; time_t time; } value; gboolean time_generator; time_t occuring_start; time_t occuring_end; } ESExpResult;
typedef enum { ESEXP_TERM_INT = 0, /* integer literal */ ESEXP_TERM_BOOL, /* boolean literal */ ESEXP_TERM_STRING, /* string literal */ ESEXP_TERM_TIME, /* time_t literal (number of seconds past the epoch) */ ESEXP_TERM_FUNC, /* normal function, arguments are evaluated before calling */ ESEXP_TERM_IFUNC, /* immediate function, raw terms are arguments */ ESEXP_TERM_VAR /* variable reference */ } ESExpTermType;
typedef struct { gint type; /* ESEXP_TERM_FUNC or ESEXP_TERM_VAR */ gchar *name; gpointer data; union { ESExpFunc *func; ESExpIFunc *ifunc; } f; } ESExpSymbol;
typedef struct { ESExpTermType type; union { gchar *string; gint number; gint boolean; time_t time; struct { struct _ESExpSymbol *sym; struct _ESExpTerm **terms; gint termcount; } func; struct _ESExpSymbol *var; } value; } ESExpTerm;
typedef struct { #ifdef E_SEXP_IS_G_OBJECT GObject parent_object; #else gint refcount; #endif GScanner *scanner; /* for parsing text version */ ESExpTerm *tree; /* root of expression tree */ /* private stuff */ jmp_buf failenv; gchar *error; GSList *operators; /* TODO: may also need a pool allocator for term strings, so we dont lose them in error conditions? */ struct _EMemChunk *term_chunks; struct _EMemChunk *result_chunks; } ESExp;
void e_sexp_add_function (ESExp *f, gint scope, const gchar *name, ESExpFunc *func, gpointer data);
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void e_sexp_add_ifunction (ESExp *f, gint scope, const gchar *name, ESExpIFunc *func, gpointer data);
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void e_sexp_add_variable (ESExp *f, gint scope, gchar *name, ESExpTerm *value);
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void e_sexp_remove_symbol (ESExp *f, gint scope, const gchar *name);
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void e_sexp_input_text (ESExp *f, const gchar *text, gint len);
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ESExpResult * e_sexp_term_eval (struct _ESExp *f, struct _ESExpTerm *t);
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ESExpResult * e_sexp_result_new (struct _ESExp *f, gint type);
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void e_sexp_resultv_free (struct _ESExp *f, gint argc, struct _ESExpResult **argv);
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void e_sexp_encode_bool (GString *s, gboolean state);
Encode a bool into an s-expression s
. Bools are
encoded using t f syntax.
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void e_sexp_encode_string (GString *s, const gchar *string);
Add a c string string
to the s-expression stored in
the gstring s
. Quotes are added, and special characters
are escaped appropriately.
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Destination string. |
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String expression. |
void e_sexp_fatal_error (struct _ESExp *f, const gchar *why, ...);
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gboolean e_sexp_evaluate_occur_times (ESExp *f, time_t *start, time_t *end);
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