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0f314c0c99
C99 stdbool turned 18 this year. There really is no reason to use our own, except in the library interface for backward compatibility. Convert the cli and test binaries to stdbool.
84 lines
3 KiB
C
84 lines
3 KiB
C
#ifndef NOTMUCH_SPRINTER_H
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#define NOTMUCH_SPRINTER_H
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/* Necessary for bool */
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#include "notmuch-client.h"
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/* Structure printer interface. This is used to create output
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* structured as maps (with key/value pairs), lists and primitives
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* (strings, integers and booleans).
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*/
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typedef struct sprinter {
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/* Start a new map/dictionary structure. This should be followed by
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* a sequence of alternating calls to map_key and one of the
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* value-printing functions until the map is ended by end.
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*/
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void (*begin_map) (struct sprinter *);
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/* Start a new list/array structure.
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*/
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void (*begin_list) (struct sprinter *);
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/* End the last opened list or map structure.
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*/
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void (*end) (struct sprinter *);
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/* Print one string/integer/boolean/null element (possibly inside
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* a list or map, followed or preceded by separators). For string
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* and string_len, the char * must be UTF-8 encoded. string_len
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* allows non-terminated strings and strings with embedded NULs
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* (though the handling of the latter is format-dependent). For
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* string (but not string_len) the string pointer passed may be
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* NULL.
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*/
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void (*string) (struct sprinter *, const char *);
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void (*string_len) (struct sprinter *, const char *, size_t);
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void (*integer) (struct sprinter *, int);
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void (*boolean) (struct sprinter *, bool);
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void (*null) (struct sprinter *);
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/* Print the key of a map's key/value pair. The char * must be UTF-8
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* encoded.
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*/
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void (*map_key) (struct sprinter *, const char *);
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/* Insert a separator (usually extra whitespace). For the text
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* printers, this is a syntactic separator. For the structured
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* printers, this is for improved readability without affecting
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* the abstract syntax of the structure being printed. For JSON,
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* this could simply be a line break.
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*/
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void (*separator) (struct sprinter *);
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/* Set the current string prefix. This only affects the text
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* printer, which will print this string, followed by a colon,
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* before any string. For other printers, this does nothing.
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*/
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void (*set_prefix) (struct sprinter *, const char *);
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/* True if this is the special-cased plain text printer.
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*/
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bool is_text_printer;
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} sprinter_t;
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/* Create a new unstructured printer that emits the default text format
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* for "notmuch search". */
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struct sprinter *
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sprinter_text_create (const void *ctx, FILE *stream);
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/* Create a new unstructured printer that emits the text format for
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* "notmuch search", with each field separated by a null character
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* instead of the newline character. */
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struct sprinter *
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sprinter_text0_create (const void *ctx, FILE *stream);
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/* Create a new structure printer that emits JSON. */
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struct sprinter *
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sprinter_json_create (const void *ctx, FILE *stream);
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/* Create a new structure printer that emits S-Expressions. */
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struct sprinter *
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sprinter_sexp_create (const void *ctx, FILE *stream);
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#endif // NOTMUCH_SPRINTER_H
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