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e9b6e46474
Command line parsing is factored out into a function parse_tag_command_line in tag-util.c. There is some duplicated code eliminated in tag_query, and a bunch of translation from using the bare tag_op structs to using that tag-utils API.
149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
#ifndef _TAG_UTIL_H
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#define _TAG_UTIL_H
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#include "notmuch-client.h"
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typedef struct _tag_operation_t tag_operation_t;
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typedef struct _tag_op_list_t tag_op_list_t;
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/* Use powers of 2 */
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typedef enum {
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TAG_FLAG_NONE = 0,
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/* Operations are synced to maildir, if possible.
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*/
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TAG_FLAG_MAILDIR_SYNC = (1 << 0),
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/* Remove all tags from message before applying list.
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*/
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TAG_FLAG_REMOVE_ALL = (1 << 1),
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/* Don't try to avoid database operations. Useful when we
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* know that message passed needs these operations.
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*/
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TAG_FLAG_PRE_OPTIMIZED = (1 << 2),
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/* Accept strange tags that might be user error;
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* intended for use by notmuch-restore.
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*/
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TAG_FLAG_BE_GENEROUS = (1 << 3)
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} tag_op_flag_t;
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/* These should obey the convention that fatal errors are negative,
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* skipped lines are positive.
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*/
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typedef enum {
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TAG_PARSE_OUT_OF_MEMORY = -1,
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/* Line parsed successfuly. */
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TAG_PARSE_SUCCESS = 0,
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/* Line has a syntax error */
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TAG_PARSE_INVALID = 1,
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/* Line was blank or a comment */
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TAG_PARSE_SKIPPED = 2
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} tag_parse_status_t;
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/* Parse a string of the following format:
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*
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* +<tag>|-<tag> [...] [--] <search-terms>
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*
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* Each line is interpreted similarly to "notmuch tag" command line
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* arguments. The delimiter is one or more spaces ' '. Any characters
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* in <tag> and <search-terms> MAY be hex encoded with %NN where NN is
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* the hexadecimal value of the character. Any ' ' and '%' characters
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* in <tag> and <search-terms> MUST be hex encoded (using %20 and %25,
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* respectively). Any characters that are not part of <tag> or
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* <search-terms> MUST NOT be hex encoded.
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*
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* Leading and trailing space ' ' is ignored. Empty lines and lines
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* beginning with '#' are ignored.
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*
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*
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* Output Parameters:
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* ops contains a list of tag operations
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* query_str the search terms.
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*/
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tag_parse_status_t
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parse_tag_line (void *ctx, char *line,
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tag_op_flag_t flags,
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char **query_str, tag_op_list_t *ops);
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/* Parse a command line of the following format:
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*
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* +<tag>|-<tag> [...] [--] <search-terms>
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*
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* Output Parameters:
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* ops contains a list of tag operations
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* query_str the search terms.
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*/
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tag_parse_status_t
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parse_tag_command_line (void *ctx, int argc, char **argv,
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char **query_str, tag_op_list_t *ops);
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/*
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* Create an empty list of tag operations
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*
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* ctx is passed to talloc
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*/
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tag_op_list_t *
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tag_op_list_create (void *ctx);
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/*
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* Add a tag operation (delete iff remove == TRUE) to a list.
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* The list is expanded as necessary.
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*/
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int
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tag_op_list_append (tag_op_list_t *list,
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const char *tag,
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notmuch_bool_t remove);
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/*
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* Apply a list of tag operations, in order, to a given message.
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*
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* Flags can be bitwise ORed; see enum above for possibilies.
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*/
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notmuch_status_t
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tag_op_list_apply (notmuch_message_t *message,
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tag_op_list_t *tag_ops,
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tag_op_flag_t flags);
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/*
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* Return the number of operations in a list
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*/
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size_t
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tag_op_list_size (const tag_op_list_t *list);
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/*
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* Reset a list to contain no operations
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*/
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void
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tag_op_list_reset (tag_op_list_t *list);
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/*
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* return the i'th tag in the list
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*/
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const char *
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tag_op_list_tag (const tag_op_list_t *list, size_t i);
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/*
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* Is the i'th tag operation a remove?
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*/
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notmuch_bool_t
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tag_op_list_isremove (const tag_op_list_t *list, size_t i);
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#endif
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