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patch 8.0.1727: qf_get_properties() function is too long

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Problem:    qf_get_properties() function is too long.
Solution:   Refactor the code. (Yegappan Lakshmanan, closes #2807)
This commit is contained in:
Bram Moolenaar
2018-04-16 18:04:57 +02:00
parent df2c774ded
commit 353eeeaca2
2 changed files with 203 additions and 129 deletions
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174
src/quickfix.c
View File

@@ -1183,7 +1183,8 @@ qf_init_ext(
fields.errmsglen = CMDBUFFSIZE + 1;
fields.errmsg = alloc_id(fields.errmsglen, aid_qf_errmsg);
fields.pattern = alloc_id(CMDBUFFSIZE + 1, aid_qf_pattern);
if (fields.namebuf == NULL || fields.errmsg == NULL || fields.pattern == NULL)
if (fields.namebuf == NULL || fields.errmsg == NULL
|| fields.pattern == NULL)
goto qf_init_end;
if (efile != NULL && (state.fd = mch_fopen((char *)efile, "r")) == NULL)
@@ -1817,7 +1818,6 @@ qf_push_dir(char_u *dirbuf, struct dir_stack_T **stackptr, int is_file_stack)
}
}
/*
* pop dirbuf from the directory stack and return previous directory or NULL if
* stack is empty
@@ -4948,7 +4948,8 @@ enum {
};
/*
* Parse text from 'di' and return the quickfix list items
* Parse text from 'di' and return the quickfix list items.
* Existing quickfix lists are not modified.
*/
static int
qf_get_list_from_lines(dict_T *what, dictitem_T *di, dict_T *retdict)
@@ -5017,25 +5018,13 @@ qf_winid(qf_info_T *qi)
}
/*
* Return quickfix/location list details (title) as a
* dictionary. 'what' contains the details to return. If 'list_idx' is -1,
* then current list is used. Otherwise the specified list is used.
* Convert the keys in 'what' to quickfix list property flags.
*/
int
qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
static int
qf_getprop_keys2flags(dict_T *what)
{
qf_info_T *qi = &ql_info;
int status = OK;
int qf_idx;
dictitem_T *di;
int flags = QF_GETLIST_NONE;
if ((di = dict_find(what, (char_u *)"lines", -1)) != NULL)
return qf_get_list_from_lines(what, di, retdict);
if (wp != NULL)
qi = GET_LOC_LIST(wp);
if (dict_find(what, (char_u *)"all", -1) != NULL)
flags |= QF_GETLIST_ALL;
@@ -5066,8 +5055,25 @@ qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
if (dict_find(what, (char_u *)"changedtick", -1) != NULL)
flags |= QF_GETLIST_TICK;
if (qi != NULL && qi->qf_listcount != 0)
{
return flags;
}
/*
* Return the quickfix list index based on 'nr' or 'id' in 'what'.
* If 'nr' and 'id' are not present in 'what' then return the current
* quickfix list index.
* If 'nr' is zero then return the current quickfix list index.
* If 'nr' is '$' then return the last quickfix list index.
* If 'id' is present then return the index of the quickfix list with that id.
* If 'id' is zero then return the quickfix list index specified by 'nr'.
* Return -1, if quickfix list is not present or if the stack is empty.
*/
static int
qf_getprop_qfidx(qf_info_T *qi, dict_T *what)
{
int qf_idx;
dictitem_T *di;
qf_idx = qi->qf_curlist; /* default is the current list */
if ((di = dict_find(what, (char_u *)"nr", -1)) != NULL)
{
@@ -5089,7 +5095,6 @@ qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
qf_idx = qi->qf_listcount - 1;
else
qf_idx = -1;
flags |= QF_GETLIST_NR;
}
if ((di = dict_find(what, (char_u *)"id", -1)) != NULL)
@@ -5098,20 +5103,26 @@ qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
if (di->di_tv.v_type == VAR_NUMBER)
{
/*
* For zero, use the current list or the list specifed by 'nr'
* For zero, use the current list or the list specified by 'nr'
*/
if (di->di_tv.vval.v_number != 0)
qf_idx = qf_id2nr(qi, di->di_tv.vval.v_number);
flags |= QF_GETLIST_ID;
}
else
qf_idx = -1;
}
}
/* List is not present or is empty */
if (qi == NULL || qi->qf_listcount == 0 || qf_idx == -1)
{
return qf_idx;
}
/*
* Return default values for quickfix list properties in retdict.
*/
static int
qf_getprop_defaults(qf_info_T *qi, int flags, dict_T *retdict)
{
int status = OK;
if (flags & QF_GETLIST_TITLE)
status = dict_add_nr_str(retdict, "title", 0L, (char_u *)"");
if ((status == OK) && (flags & QF_GETLIST_ITEMS))
@@ -5138,22 +5149,29 @@ qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
status = dict_add_nr_str(retdict, "changedtick", 0L, NULL);
return status;
}
}
if (flags & QF_GETLIST_TITLE)
{
/*
* Return the quickfix list title as 'title' in retdict
*/
static int
qf_getprop_title(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
char_u *t;
t = qi->qf_lists[qf_idx].qf_title;
if (t == NULL)
t = (char_u *)"";
status = dict_add_nr_str(retdict, "title", 0L, t);
}
if ((status == OK) && (flags & QF_GETLIST_NR))
status = dict_add_nr_str(retdict, "nr", qf_idx + 1, NULL);
if ((status == OK) && (flags & QF_GETLIST_WINID))
status = dict_add_nr_str(retdict, "winid", qf_winid(qi), NULL);
if ((status == OK) && (flags & QF_GETLIST_ITEMS))
{
return dict_add_nr_str(retdict, "title", 0L, t);
}
/*
* Return the quickfix list items/entries as 'items' in retdict
*/
static int
qf_getprop_items(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
int status = OK;
list_T *l = list_alloc();
if (l != NULL)
{
@@ -5162,10 +5180,19 @@ qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
}
else
status = FAIL;
}
if ((status == OK) && (flags & QF_GETLIST_CONTEXT))
{
return status;
}
/*
* Return the quickfix list context (if any) as 'context' in retdict.
*/
static int
qf_getprop_ctx(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
int status;
dictitem_T *di;
if (qi->qf_lists[qf_idx].qf_ctx != NULL)
{
di = dictitem_alloc((char_u *)"context");
@@ -5181,25 +5208,70 @@ qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
}
else
status = dict_add_nr_str(retdict, "context", 0L, (char_u *)"");
}
if ((status == OK) && (flags & QF_GETLIST_ID))
status = dict_add_nr_str(retdict, "id", qi->qf_lists[qf_idx].qf_id,
NULL);
return status;
}
if ((status == OK) && (flags & QF_GETLIST_IDX))
{
/*
* Return the quickfix list index as 'idx' in retdict
*/
static int
qf_getprop_idx(qf_info_T *qi, int qf_idx, dict_T *retdict)
{
int idx = qi->qf_lists[qf_idx].qf_index;
if (qi->qf_lists[qf_idx].qf_count == 0)
/* For empty lists, qf_index is set to 1 */
idx = 0;
status = dict_add_nr_str(retdict, "idx", idx, NULL);
}
return dict_add_nr_str(retdict, "idx", idx, NULL);
}
/*
* Return quickfix/location list details (title) as a
* dictionary. 'what' contains the details to return. If 'list_idx' is -1,
* then current list is used. Otherwise the specified list is used.
*/
int
qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
{
qf_info_T *qi = &ql_info;
int status = OK;
int qf_idx;
dictitem_T *di;
int flags = QF_GETLIST_NONE;
if ((di = dict_find(what, (char_u *)"lines", -1)) != NULL)
return qf_get_list_from_lines(what, di, retdict);
if (wp != NULL)
qi = GET_LOC_LIST(wp);
flags = qf_getprop_keys2flags(what);
if (qi != NULL && qi->qf_listcount != 0)
qf_idx = qf_getprop_qfidx(qi, what);
/* List is not present or is empty */
if (qi == NULL || qi->qf_listcount == 0 || qf_idx == -1)
return qf_getprop_defaults(qi, flags, retdict);
if (flags & QF_GETLIST_TITLE)
status = qf_getprop_title(qi, qf_idx, retdict);
if ((status == OK) && (flags & QF_GETLIST_NR))
status = dict_add_nr_str(retdict, "nr", qf_idx + 1, NULL);
if ((status == OK) && (flags & QF_GETLIST_WINID))
status = dict_add_nr_str(retdict, "winid", qf_winid(qi), NULL);
if ((status == OK) && (flags & QF_GETLIST_ITEMS))
status = qf_getprop_items(qi, qf_idx, retdict);
if ((status == OK) && (flags & QF_GETLIST_CONTEXT))
status = qf_getprop_ctx(qi, qf_idx, retdict);
if ((status == OK) && (flags & QF_GETLIST_ID))
status = dict_add_nr_str(retdict, "id", qi->qf_lists[qf_idx].qf_id,
NULL);
if ((status == OK) && (flags & QF_GETLIST_IDX))
status = qf_getprop_idx(qi, qf_idx, retdict);
if ((status == OK) && (flags & QF_GETLIST_SIZE))
status = dict_add_nr_str(retdict, "size",
qi->qf_lists[qf_idx].qf_count, NULL);
if ((status == OK) && (flags & QF_GETLIST_TICK))
status = dict_add_nr_str(retdict, "changedtick",
qi->qf_lists[qf_idx].qf_changedtick, NULL);
@@ -5609,7 +5681,7 @@ mark_quickfix_ctx(qf_info_T *qi, int copyID)
/*
* Mark the context of the quickfix list and the location lists (if present) as
* "in use". So that garabage collection doesn't free the context.
* "in use". So that garbage collection doesn't free the context.
*/
int
set_ref_in_quickfix(int copyID)

2
src/version.c
View File

@@ -762,6 +762,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1727,
/**/
1726,
/**/