| Evolution-Data-Server Manual: Utilities (libedataserver) | ||||
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ESExp; ESExpSymbol; ESExpResult; ESExpTerm; 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);
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;
typedef struct {
gint type; /* ESEXP_TERM_FUNC or ESEXP_TERM_VAR */
gchar *name;
gpointer data;
union {
ESExpFunc *func;
ESExpIFunc *ifunc;
} f;
} ESExpSymbol;
typedef struct {
enum _ESExpResultType type;
union {
GPtrArray *ptrarray;
gint number;
gchar *string;
gint bool;
time_t time;
} value;
} ESExpResult;
typedef struct {
enum _ESExpTermType type;
union {
gchar *string;
gint number;
gint bool;
time_t time;
struct {
struct _ESExpSymbol *sym;
struct _ESExpTerm **terms;
gint termcount;
} func;
struct _ESExpSymbol *var;
} value;
} ESExpTerm;
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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Returns : |
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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