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alphapapa committed Jan 10, 2020
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71 changes: 39 additions & 32 deletions README.org
Original file line number Diff line number Diff line change
Expand Up @@ -14,14 +14,17 @@ It includes three libraries: The =org-ql= library is flexible and may be used as
:PROPERTIES:
:TOC: this
:END:
- [[#screenshots][Screenshots]]
- [[#installation][Installation]]
- [[#usage][Usage]]
- [[#commands][Commands]]
- [[#queries][Queries]]
- [[#functions--macros][Functions / Macros]]
- [[#changelog][Changelog]]
- [[#notes][Notes]]
- [[#screenshots][Screenshots]]
- [[#installation][Installation]]
- [[#usage][Usage]]
- [[#commands][Commands]]
- [[#queries][Queries]]
- [[#non-sexp-query-syntax][Non-sexp query syntax]]
- [[#predicates][Predicates]]
- [[#datetime-predicates][Date/time predicates]]
- [[#functions--macros][Functions / Macros]]
- [[#changelog][Changelog]]
- [[#notes][Notes]]

* Screenshots

Expand Down Expand Up @@ -57,22 +60,13 @@ Installing with [[https://framagit.org/steckerhalter/quelpa][Quelpa]] is easy:
#+END_SRC

* Usage
:CONTENTS:
- [[#commands][Commands]]
- [[#queries][Queries]]
- [[#functions--macros][Functions / Macros]]
:END:

These commands and functions are included:

+ *Showing an agenda-like view:*
- ~org-ql-search~ (command)
- ~org-ql-view~ (command)
- ~org-ql-view-sidebar~ (command)
- ~org-ql-block~ (agenda block function)
+ *Showing a tree in a buffer:*
- ~org-ql-sparse-tree~ (command)
+ *Showing results with Helm*:
- ~helm-org-ql~ (command)
+ *Returning a list of matches or acting on them:*
- ~org-ql~ (macro)
- ~org-ql-select~ (function)
- ~org-ql-query~ (function)
# These links work on GitHub's Org renderer but not in Org.

Feedback on these APIs is welcome. Eventually, after being tested and polished, they will be considered stable.

Expand All @@ -84,6 +78,16 @@ Lisp code examples are in [[examples.org]].
:TOC: ignore-children
:END:

+ *Showing an agenda-like view:*
- [[#org-ql-search][org-ql-search]] (command)
- [[#org-ql-view][org-ql-view]] (command)
- [[#org-ql-view-sidebar][org-ql-view-sidebar]] (command)
- [[#org-ql-view-recent-items][org-ql-view-recent-items]] (command)
+ *Showing a tree in a buffer:*
- [[#org-ql-sparse-tree][org-ql-sparse-tree]] (command)
+ *Showing results with Helm*:
- [[#helm-org-ql][helm-org-ql]] (command)

*** org-ql-search

/Note: This command supports both sexp queries and [[#non-sexp-query-syntax][non-sexp queries]]./
Expand Down Expand Up @@ -139,6 +143,11 @@ Show a sparse tree for ~QUERY~ in ~BUFFER~ and return number of results. The tr
~QUERY~ is an ~org-ql~ query sexp (quoted, since this is a function). ~BUFFER~ defaults to the current buffer. When ~KEEP-PREVIOUS~ is non-nil (interactively, with prefix), the outline is not reset to the overview state before finding matches, which allows stacking calls to this command. Runs ~org-occur-hook~ after making the sparse tree.

** Queries
:CONTENTS:
- [[#non-sexp-query-syntax][Non-sexp query syntax]]
- [[#predicates][Predicates]]
- [[#datetime-predicates][Date/time predicates]]
:END:

An =org-ql= query is a lisp form which may contain arbitrary lisp forms, as well as certain built-in predicates. It is byte-compiled into a predicate function which is tested with point on each heading in an Org buffer; when it returns non-nil, the heading matches the query.

Expand All @@ -147,9 +156,6 @@ An =org-ql= query is a lisp form which may contain arbitrary lisp forms, as well
+ Standard numeric comparator function symbols (~<~, ~<=~, ~>~, ~>=~, ~=~ ) need not be quoted when passed as an argument to predicates which accept them. The resemblance to infix notation is coincidental.

*** Non-sexp query syntax
:PROPERTIES:
:TOC: ignore
:END:

The command =org-ql-search= also accepts, and the command =helm-org-ql= only accepts, an alternative, non-sexp query syntax. The syntax is simple, and a few examples of queries in both syntaxes should suffice. By default, when multiple predicates are used, they are combined with boolean =and=.

Expand All @@ -170,9 +176,6 @@ The command =org-ql-search= also accepts, and the command =helm-org-ql= only acc
Note that the =priority= predicate does not support comparators in the non-sexp syntax, so multiple priorities should be passed instead, as seen in the last example.

*** Predicates
:PROPERTIES:
:TOC: ignore
:END:

Arguments are listed next to predicate names, where applicable.

Expand Down Expand Up @@ -204,9 +207,6 @@ Arguments are listed next to predicate names, where applicable.
+ =todo (&optional keywords)= :: Return non-nil if current heading is a ~TODO~ item. With ~KEYWORDS~, return non-nil if its keyword is one of ~KEYWORDS~ (a list of strings). When called without arguments, only matches non-done tasks (i.e. does not match keywords in ~org-done-keywords~).

*** Date/time predicates
:PROPERTIES:
:TOC: ignore
:END:

All of these predicates take optional keyword arguments ~:from~, ~:to:~, and ~:on~:

Expand Down Expand Up @@ -237,6 +237,13 @@ The following predicates, in addition to the keyword arguments, can also take a
:TOC: ignore-children
:END:

- [[#agenda-like-views][Agenda-like views]]
- [[#function-org-ql-block][Function: org-ql-block]]
- [[#listing--acting-on-results][Listing / acting-on results]]
- [[#function-org-ql-select][Function: org-ql-select]]
- [[#function-org-ql-query][Function: org-ql-query]]
- [[#macro-org-ql][Macro: org-ql]]

*** Agenda-like views

**** Function: ~org-ql-block~
Expand Down
106 changes: 53 additions & 53 deletions org-ql.info
Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,8 @@ File: README.info, Node: Contents, Next: Screenshots, Prev: Top, Up: Top
**********

• • •
• • • • •
• •
• • • • • •

File: README.info, Node: Screenshots, Next: Installation, Prev: Contents, Up: Top

Expand Down Expand Up @@ -145,22 +146,7 @@ File: README.info, Node: Usage, Next: Changelog, Prev: Installation, Up: Top
4 Usage
*******

These commands and functions are included:

• *Showing an agenda-like view:*
• ‘org-ql-search’ (command)
• ‘org-ql-view’ (command)
• ‘org-ql-view-sidebar’ (command)
• ‘org-ql-block’ (agenda block function)
• *Showing a tree in a buffer:*
• ‘org-ql-sparse-tree’ (command)
• *Showing results with Helm*:
• ‘helm-org-ql’ (command)
• *Returning a list of matches or acting on them:*
• ‘org-ql’ (macro)
• ‘org-ql-select’ (function)
• ‘org-ql-query’ (function)

• • •
Feedback on these APIs is welcome. Eventually, after being tested
and polished, they will be considered stable.

Expand All @@ -178,6 +164,16 @@ File: README.info, Node: Commands, Next: Queries, Up: Usage
4.1 Commands
============

• *Showing an agenda-like view:*
• (command)
• (command)
• (command)
• (command)
• *Showing a tree in a buffer:*
• (command)
• *Showing results with Helm*:
• (command)

* Menu:

* org-ql-search::
Expand Down Expand Up @@ -298,10 +294,11 @@ File: README.info, Node: Queries, Next: Functions / Macros, Prev: Commands,
4.2 Queries
===========

An org-ql query is a lisp form which may contain arbitrary lisp forms,
as well as certain built-in predicates. It is byte-compiled into a
predicate function which is tested with point on each heading in an Org
buffer; when it returns non-nil, the heading matches the query.
• • •
An org-ql query is a lisp form which may contain arbitrary lisp
forms, as well as certain built-in predicates. It is byte-compiled into
a predicate function which is tested with point on each heading in an
Org buffer; when it returns non-nil, the heading matches the query.

*Notes:*
• Bare strings like ‘"string"’ are automatically converted to
Expand Down Expand Up @@ -511,6 +508,9 @@ File: README.info, Node: Functions / Macros, Prev: Queries, Up: Usage
4.3 Functions / Macros
======================

• •
• • •
* Menu:

* Agenda-like views::
Expand Down Expand Up @@ -1006,38 +1006,38 @@ GPLv3
Tag Table:
Node: Top225
Node: Contents1367
Node: Screenshots1515
Node: Installation1633
Node: Quelpa2271
Node: Usage2714
Node: Commands3624
Node: org-ql-search3853
Node: helm-org-ql5501
Node: org-ql-view5913
Node: org-ql-view-sidebar6111
Node: org-ql-view-recent-items6467
Node: org-ql-sparse-tree6951
Node: Queries7751
Node: Non-sexp query syntax8593
Node: Predicates10292
Node: Date/time predicates15454
Node: Functions / Macros18089
Node: Agenda-like views18276
Node: Listing / acting-on results19681
Node: Changelog24283
Node: 04-pre24820
Node: 03226835
Node: 03127216
Node: 0327411
Node: 02330384
Node: 02230610
Node: 02130876
Node: 0231073
Node: 0135106
Node: Notes35205
Node: Comparison with Org Agenda searches35367
Node: org-sidebar36238
Node: License36517
Node: Screenshots1541
Node: Installation1659
Node: Quelpa2297
Node: Usage2740
Node: Commands3064
Node: org-ql-search3537
Node: helm-org-ql5185
Node: org-ql-view5597
Node: org-ql-view-sidebar5795
Node: org-ql-view-recent-items6151
Node: org-ql-sparse-tree6635
Node: Queries7435
Node: Non-sexp query syntax8296
Node: Predicates9995
Node: Date/time predicates15157
Node: Functions / Macros17792
Node: Agenda-like views18025
Node: Listing / acting-on results19430
Node: Changelog24032
Node: 04-pre24569
Node: 03226584
Node: 03126965
Node: 0327160
Node: 02330133
Node: 02230359
Node: 02130625
Node: 0230822
Node: 0134855
Node: Notes34954
Node: Comparison with Org Agenda searches35116
Node: org-sidebar35987
Node: License36266

End Tag Table

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