54443bbfc3
Wrap the string specifying the external diff command in a new struct to simplify adding attributes, which the next patch will do. Make sure external_diff() still returns NULL if neither the environment variable GIT_EXTERNAL_DIFF nor the configuration option diff.external is set, to continue allowing its use in a boolean context. Use a designated initializer for the default builtin userdiff driver to adjust to the type change of the second struct member. Spelling out only the non-zero members improves readability as a nice side-effect. No functional change intended. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
#ifndef USERDIFF_H
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#define USERDIFF_H
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#include "notes-cache.h"
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struct index_state;
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struct repository;
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struct userdiff_funcname {
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char *pattern;
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int cflags;
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};
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struct external_diff {
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char *cmd;
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};
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struct userdiff_driver {
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const char *name;
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struct external_diff external;
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char *algorithm;
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int binary;
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struct userdiff_funcname funcname;
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char *word_regex;
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char *word_regex_multi_byte;
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char *textconv;
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struct notes_cache *textconv_cache;
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int textconv_want_cache;
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};
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enum userdiff_driver_type {
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USERDIFF_DRIVER_TYPE_BUILTIN = 1<<0,
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USERDIFF_DRIVER_TYPE_CUSTOM = 1<<1,
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};
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typedef int (*each_userdiff_driver_fn)(struct userdiff_driver *,
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enum userdiff_driver_type, void *);
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int userdiff_config(const char *k, const char *v);
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struct userdiff_driver *userdiff_find_by_name(const char *name);
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struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
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const char *path);
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/*
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* Initialize any textconv-related fields in the driver and return it, or NULL
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* if it does not have textconv enabled at all.
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*/
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struct userdiff_driver *userdiff_get_textconv(struct repository *r,
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struct userdiff_driver *driver);
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/*
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* Iterate over all userdiff drivers. The userdiff_driver_type
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* argument to each_userdiff_driver_fn indicates their type. Return
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* non-zero to exit early from the loop.
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*/
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int for_each_userdiff_driver(each_userdiff_driver_fn, void *);
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#endif /* USERDIFF */
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