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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.
157 lines
3.2 KiB
C
157 lines
3.2 KiB
C
#include <stdbool.h>
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#include <stdio.h>
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#include <talloc.h>
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#include "sprinter.h"
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/* "Structured printer" interface for unstructured text printing.
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* Note that --output=summary is dispatched and formatted in
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* notmuch-search.c, the code in this file is only used for all other
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* output types.
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*/
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struct sprinter_text {
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struct sprinter vtable;
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FILE *stream;
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/* The current prefix to be printed with string/integer/boolean
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* data.
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*/
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const char *current_prefix;
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/* A flag to indicate if this is the first tag. Used in list of tags
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* for summary.
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*/
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bool first_tag;
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};
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static void
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text_string_len (struct sprinter *sp, const char *val, size_t len)
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{
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struct sprinter_text *sptxt = (struct sprinter_text *) sp;
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if (sptxt->current_prefix != NULL)
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fprintf (sptxt->stream, "%s:", sptxt->current_prefix);
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fwrite (val, len, 1, sptxt->stream);
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}
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static void
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text_string (struct sprinter *sp, const char *val)
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{
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if (val == NULL)
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val = "";
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text_string_len (sp, val, strlen (val));
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}
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static void
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text_integer (struct sprinter *sp, int val)
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{
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struct sprinter_text *sptxt = (struct sprinter_text *) sp;
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fprintf (sptxt->stream, "%d", val);
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}
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static void
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text_boolean (struct sprinter *sp, bool val)
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{
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struct sprinter_text *sptxt = (struct sprinter_text *) sp;
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fputs (val ? "true" : "false", sptxt->stream);
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}
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static void
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text_separator (struct sprinter *sp)
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{
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struct sprinter_text *sptxt = (struct sprinter_text *) sp;
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fputc ('\n', sptxt->stream);
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}
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static void
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text0_separator (struct sprinter *sp)
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{
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struct sprinter_text *sptxt = (struct sprinter_text *) sp;
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fputc ('\0', sptxt->stream);
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}
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static void
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text_set_prefix (struct sprinter *sp, const char *prefix)
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{
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struct sprinter_text *sptxt = (struct sprinter_text *) sp;
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sptxt->current_prefix = prefix;
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}
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/* The structure functions begin_map, begin_list, end and map_key
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* don't do anything in the text formatter.
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*/
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static void
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text_begin_map (unused (struct sprinter *sp))
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{
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}
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static void
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text_begin_list (unused (struct sprinter *sp))
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{
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}
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static void
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text_end (unused (struct sprinter *sp))
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{
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}
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static void
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text_null (unused (struct sprinter *sp))
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{
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}
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static void
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text_map_key (unused (struct sprinter *sp), unused (const char *key))
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{
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}
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struct sprinter *
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sprinter_text_create (const void *ctx, FILE *stream)
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{
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static const struct sprinter_text template = {
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.vtable = {
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.begin_map = text_begin_map,
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.begin_list = text_begin_list,
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.end = text_end,
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.string = text_string,
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.string_len = text_string_len,
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.integer = text_integer,
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.boolean = text_boolean,
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.null = text_null,
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.map_key = text_map_key,
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.separator = text_separator,
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.set_prefix = text_set_prefix,
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.is_text_printer = true,
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},
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};
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struct sprinter_text *res;
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res = talloc (ctx, struct sprinter_text);
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if (! res)
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return NULL;
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*res = template;
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res->stream = stream;
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return &res->vtable;
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}
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struct sprinter *
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sprinter_text0_create (const void *ctx, FILE *stream)
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{
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struct sprinter *sp;
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sp = sprinter_text_create (ctx, stream);
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if (! sp)
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return NULL;
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sp->separator = text0_separator;
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return sp;
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}
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