rishi/scryer-prolog
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359 Commits

Author SHA1 Message Date
Cyrille Duret
e2c61485a1 add csv library 2020-06-25 21:13:29 +02:00
Markus Triska
30d1585468 ADDED: library(files), for reasoning about files and directories. 2020-06-24 22:29:34 +02:00
Markus Triska
32eb896c56 ADDED: load_xml/3 to load XML files from streams, files and strings. 2020-06-21 09:45:37 +02:00
Markus Triska
d66ea07ba4 ADDED: library(xpath) for convenient analysis of HTML and XML documents. 2020-06-20 18:08:11 +02:00
Mark Thom
496279c92d Merge pull request #596 from triska/sgml 
ADDED: library(sgml), providing load_html/3 to parse HTML documents
 2020-06-19 12:59:06 -03:00
notoria
1799c19933 Added an entry in README 2020-06-19 17:48:55 +02:00
Markus Triska
79829cb6d2 ADDED: library(sgml), providing load_html/3 to parse HTML documents 2020-06-19 16:40:01 +02:00
Markus Triska
19acd608a5 ADDED: library(http/http_open), opening HTTP and HTTPS streams for reading 
Example:

   ?- http_open("https://github.com/mthom/scryer-prolog", Stream, []),
      length(Ls, 10),
      maplist(get_char(Stream), Ls).

Yielding:

   %@    Stream = '$stream'(0x7fba4c59ef10), Ls = "\n\n\n\n\n<!DOC"
   %@ ;  false.
 2020-06-17 20:10:22 +02:00
Mark Thom
8462b039d3 Merge pull request #593 from triska/portray_clause 
ADDED: portray_clause/2, writing to a specified stream.
 2020-06-13 21:08:54 -03:00
Markus Triska
862197fc96 explain .scryerrc configuration file 2020-06-13 16:47:02 +02:00
Mark Thom
2c6b615b8c fix broken links in README (#591) 2020-06-13 10:46:53 -06:00
Markus Triska
44ebd894d5 ADDED: portray_clause/2, writing to a specified stream. 2020-06-13 16:45:47 +02:00
Mark Thom
4f288c6fd9 Merge pull request #587 from triska/lazy_pio 
ENHANCED: phrase_from_file/[2,3] now read the file lazily.
 2020-06-12 11:24:52 -03:00
Mark Thom
ad459b83c0 credit Ulrich Neumerkel for partial strings in README 2020-06-11 21:24:20 -06:00
Markus Triska
d96ea6b815 include library(pio) and library(charsio) in the itemization 2020-06-12 00:02:41 +02:00
Markus Triska
2fc887724b ADDED: format_time//2 for describing strings involving dates and times 
current_time/1 yields the current system time as an opaque time stamp.
 2020-06-11 00:55:38 +02:00
Markus Triska
7b30daf88d ADDED: Encrypted client connections in library(sockets) via new option tls/1. 
Use tls(true) to negotiate an encrypted network connection via TLS.
 2020-06-09 07:43:29 +02:00
Markus Triska
7cc92ec1c1 ADDED: Logo. 
Motivation and considerations:

- A Scryer certainly needs a raven. Ravens are among the most
  intelligent animals on earth.
- When writing Prolog programs, a few strokes are often enough.
- Purple is the colour most associated with magic and royalty,
  indicating the almost surreal and pure features provided by Scryer,
  in the lineage of Marseille Prolog.
- The shape of the silhouette looks a bit like an "S" for "Scryer".
- A square which surrounds the image is traditionally associated with
  finishing a proof (square, Latin "quadratum", has the same starting
  letters as "quod erat demonstrandum").

I call this raven: *Cryer*. Cryer is an archaic spelling for "crier",
an officer who makes public announcements in a court of justice.
The Prolog top-level likewise makes announcements about what is true.
 2020-05-26 22:13:51 +02:00
panasenco
dadf1b6ff9 Phrasing 2020-05-22 14:01:10 -07:00
panasenco
db56bb92f0 Fixed link in Dockerfile documentation. Updated README with working Docker link. Made general improvements to the Docker section of the README now that I'm not in a sleep-deprived zombie state. 2020-05-22 13:57:48 -07:00
panasenco
e82e36f51e Revert "Revert "Created and Tested Dockerfile"" 
This reverts commit e00d864199.
 2020-05-22 13:57:48 -07:00
Markus Triska
cbbed310c5 ADDED: format/3, writing formatted output to a stream 
Both binary and text streams are supported.
 2020-05-22 17:23:51 +02:00
Markus Triska
ad3be5c848 ADDED: Public key signatures and signature verification with Ed25519 2020-05-20 22:32:39 +02:00
Mark Thom
e00d864199 Revert "Created and Tested Dockerfile" 2020-05-19 11:59:06 -06:00
panasenco
a7fd3c50e5 Updated README with Docker install instructions 2020-05-17 20:50:34 -07:00
Markus Triska
862ae26631 Authenticated encryption in library(crypto), new encoding/1 option for hashes (#515) 
* shorten n_newlines//1

* remove unneeded variable

* ADDED: authenticated encryption and decryption with ChaCha20-Poly1305

* ADDED: encoding/1 option for crypto_data_hash/3 and crypto_data_hkdf/4
 2020-05-16 11:51:41 -06:00
Markus Triska
4e69301562 ADDED: Password-based key derivation (PBKDF2) (#509) 
The new predicates crypto_password_hash/[2,3] let you store
passwords safely, and easily verify passwords later.
 2020-05-15 10:49:23 -06:00
Markus Triska
50776748a7 ADDED: HMAC-based key derivation (HKDF) via crypto_data_hkdf/4 
This is useful to generate keys and initialization vectors
from suitable input keying material, so that future predicates
for symmetric encryption can be used with appropriate parameters.
 2020-05-14 20:07:59 +02:00
Markus Triska
4084005ee7 ADDED: Reasoning about elliptic curves in library(crypto). 
This is useful to establish shared secrets, using ECDH key exchange.

Note that CLP(ℤ) goal expansion is currently disabled due to #445,
and this slows down the computations considerably for the time being.
 2020-05-13 22:44:27 +02:00
Markus Triska
8cd7d08573 ADDED: crypto_data_hash/3, computing cryptographically secure digests 2020-05-13 19:23:09 +02:00
Mark Thom
22298ddb41 update README.md 2020-05-09 14:26:08 -06:00
Mark Thom
6f92480315 Merge pull request #418 from notoria/mediants 
Documentation for arithmetic.pl
 2020-04-29 18:53:00 -03:00
Mark Thom
dd4832e40b add ordsets.pl to README 2020-04-29 18:42:17 -03:00
Markus Triska
b499c575bc include library(arithmetic) in the overview 
Many thanks to @notoria for these very useful predicates!
 2020-04-29 22:06:49 +02:00
Markus Triska
20b76a703a mention portray_clause/1 and listing/1 2020-04-28 18:27:46 +02:00
Markus Triska
dcc09b7bb5 mention backtrackable and non-backtrackable global variables 2020-04-28 18:22:18 +02:00
Markus Triska
5f35dffa34 if_ --> if_/3 2020-04-27 19:53:25 +02:00
Markus Triska
89a4b5a6ff add more information about Constraint Logic Programming (CLP) 2020-04-27 19:48:46 +02:00
Markus Triska
ff41d6aef9 include the new library(random) in the overview 
Many thanks to @notoria for this contribution!
 2020-04-27 18:44:59 +02:00
Markus Triska
a167bcff5e add library(cont) to the list 2020-04-26 21:57:37 +02:00
Markus Triska
fb812e6335 add more information about tabling 2020-04-26 21:57:37 +02:00
Markus Triska
b604177ca1 include library(pio) and library(charsio) in the description 2020-04-25 20:12:54 +02:00
Markus Triska
f27597cab5 update toplevel interaction 2020-04-25 20:12:54 +02:00
Markus Triska
23b8a4d364 add entry for time/1 2020-04-19 19:24:22 +02:00
Markus Triska
c0df8cb578 update answer to use the latest toplevel improvements 2020-04-19 19:18:47 +02:00
Markus Triska
450591d5a9 ENHANCED: the toplevel interaction now supports RETURN as a synonym for "." 
This is made possible due to the recent improvements by @notoria.
 2020-04-18 14:16:46 -06:00
Markus Triska
e8091d8add update the toplevel description, incorporating the latest changes 2020-04-18 14:16:40 -06:00
Markus Triska
786f0b5ca2 incorporate the latest improvements in the description of partial strings 
As of 6e4b76a3b4, the use of
partial_string/3 can be replaced by (=)/2 in this example.
 2020-04-12 20:46:22 +02:00
Markus Triska
fac6d54986 extend description of strings and partial strings 
Also, explain in more detail what this feature means to Prolog
application programmers, and the strategic direction of Scryer.
 2020-04-08 21:07:00 +02:00
Mark Thom
6299d41cda mark clp(X) item as completed, restore clp(Z) library description 2020-04-05 21:26:27 -03:00