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2020-05-25utils: Do not return eof if matched at beginning.Arun Isaac
* email/utils.scm (read-while, read-bytes-till): Do not return eof if matched at beginning. Return empty string or bytevector respectively. * tests/utils.scm ("read-bytes-till returns empty bytevector on match at beginning", "read-while returns empty string on match at beginning"): New tests.
2019-12-21tests: Return References header with only one reference as a singleton list.Arun Isaac
* tests/email.scm ("References header with only one reference must be a singleton list, not a string"): New test.
2019-12-04tests: Title case header name.Arun Isaac
* tests/email.scm ("Keywords header must be a list"): Title case header name. Remove unnecessary blank line.
2019-12-04email: Handle blank Subject headers.Arun Isaac
* email/email.scm (post-process-fields): Treat blank Subject headers as having the null string as value. * tests/email.scm ("blank Subject header must be treated as having the null string as value"): New test. Reported-by: Ricardo Wurmus <rekado@elephly.net>
2019-10-09email: Return keywords header as a list.Arun Isaac
* email/email.scm (parse-email-headers): Return keywords header as a list of strings. * tests/email.scm ("keywords header must be a list"): New test.
2019-10-08Reindent calls to call-with-port.Arun Isaac
* email/email.scm (body->mime-entities, email->headers+body): Reindent calls to call-with-port. * email/quoted-printable.scm (quoted-printable-encode, q-encoding-encode): Reindent calls to call-with-port. * tests/utils.scm ("read-bytes-till returns eof-object on end of file"): Reindent call to call-with-port.
2019-10-08email: Override invalid charset more strongly.Arun Isaac
* email/email.scm (post-process-content-type): Use alist-combine to override charset more strongly than just appending to the alist. * tests/email.scm ("tolerate invalid charset"): Update test.
2019-10-08tests: Compare email headers disregarding order.Arun Isaac
* tests/email.scm (alist=?, body=?, email=?, mime-entity=?): New functions. (test-alist=, test-email=): New macros. ("parse email headers", "tolerate invalid charset", "tolerate decoding errors in body"): Use test-alist=. ("RFC5322 A.1.1. A message from one person to another with simple addressing", "parse email headers", "RFC2046 5.1.1. Common syntax", "decode MIME entity without headers", "multipart email with a 8 bit encoding and non UTF-8 charset part", "decode utf-8 characters in headers", "tolerate non-ascii non-utf-8 characters in headers", "tolerate decoding errors in body"): Use test-email=.
2019-10-02email: Tolerate decoding errors in body.Arun Isaac
* email/email.scm (decode-body): Tolerate decoding errors in the body using the substitute conversion strategy. * tests/email.scm ("tolerate decoding errors in body"): New test.
2019-10-01email: Tolerate invalid charset.Arun Isaac
* email/email.scm (post-process-content-type): If charset is invalid, assume default UTF-8 as charset. * tests/email.scm ("tolerate invalid charset"): New test. Reported-by: Ricardo Wurmus <rekado@elephly.net>
2019-09-28email: Tolerate decoding errors in MIME encoded words.Arun Isaac
* email/email.scm (decode-mime-encoded-word): Tolerate decoding errors in MIME encoded words using the substitute conversion strategy. * tests/email.scm ("tolerate decoding errors in MIME encoded words"): New test. Reported-by: Christopher Baines <mail@cbaines.net>
2019-09-23email: Tolerate non-ASCII non-UTF-8 characters in headers.Arun Isaac
* email/email.scm (email->headers+body): If non-ASCII non-UTF-8 characters occur in the headers, do not raise a decoding error. Work around using the substitute conversion strategy. * tests/email.scm ("tolerate non-ASCII characters in headers"): Rename to "decode utf-8 characters in headers". ("tolerate non-ascii non-utf-8 characters in headers"): New test. Reported-by: Christopher Baines <mail@cbaines.net>
2019-09-17email: Tolerate non-ASCII characters in headers.Arun Isaac
We tolerate non-ASCII characters in headers in order to support Emacs message mode parens style addresses. * email/email.scm (email->headers+body): Read headers as UTF-8 characters. * tests/email.scm ("tolerate non-ascii characters in headers"): New tests. Reported-by: Christopher Baines <mail@cbaines.net>
2019-08-09tests: Remove unnecessary execution permission.Arun Isaac
* tests/quoted-printable.scm: Remove execution permission.
2019-07-28tests: Add examples from RFC5322 A.1.1 and A.1.2.Arun Isaac
* tests/email.scm ("RFC5322 A.1.1. A message from one person to another with simple addressing", "RFC5322 A.1.2. Different types of mailboxes"): New tests.
2019-07-28tests: Add read-while eof-object test.Arun Isaac
* tests/utils.scm ("read-while returns eof-object on end of file"): New test.
2019-07-28utils: Return eof-object from read-bytes-till on end of file.Arun Isaac
* email/utils.scm (read-bytes-till): Return eof-object, not #vu8(), on end of file. * tests/utils.scm: New file. * Makefile.am (SCM_TESTS): Register it.
2019-07-28tests: Add example from RFC2046 5.1.1.Arun Isaac
* tests/email.scm ("RFC2046 5.1.1. Common syntax"): New test.
2019-07-28email: Decode MIME entities without headers.Arun Isaac
* email/email.scm (email->headers+body): If there are no headers, return "" as headers not an eof-object. (parse-email-body): Parse headers of parent entity or email to parse-mime-entity. (add-default-mime-entity-headers): New function. (parse-mime-entity): Use add-default-mime-entity-headers instead of add-default-headers. Handle MIME entities without headers. * tests/email.scm ("decode MIME entity without headers"): New test.
2019-07-28email: Support email with mixed encoding of characters.Arun Isaac
Prior to this, parse-email would accept email in the form of a string. A string is constrained to use the same encoding for all its characters whereas an email can have characters encoded using different encoding schemes. Therefore, it is more correct that parse-email deals with bytevectors instead of strings. * email/utils.scm (read-bytes-till): New function. * email/email.scm (body->mime-entities, email->headers+body, decode-body): Deal with emails as bytevectors instead of strings. (parse-mime-entity): Rename text argument to bv. (parse-email, parse-email-body): Overload to handle input in the form of a string or bytevector. * doc/guile-email.texi (Parsing e-mail): Document overloading of parse-email and parse-email-body. * tests/email.scm ("handle truncated multipart message gracefully"): Deal in bytevectors instead of strings. ("email with 8 bit encoding and non UTF-8 charset", "multipart email with a 8 bit encoding and non UTF-8 charset part"): New tests. * tests/email-with-8bit-encoding-and-non-utf8-charset, tests/multipart-email-with-a-8bit-encoding-and-non-utf8-charset-part: New files. Reported-by: Jack Hill <jackhill@jackhill.us>
2019-07-21email: Decode MIME encoded words in Subject header.Arun Isaac
Prior to this, MIME encoded words in the Subject header were not decoded. * email/email.scm (parse-email-headers): Decode MIME encoded words in Subject header. * tests/email.scm ("decode MIME encoded words in Subject header"): New test. Reported-by: Ricardo Wurmus <rekado@elephly.net>
2019-07-21tests: Add test for decoding MIME encoded phrases.Arun Isaac
* tests/email.scm ("decode MIME encoded phrases that contain multiple MIME encoded words each with their own encoding"): New test.
2018-11-14tests: Add tests for decoding MIME encoded words.Arun Isaac
* tests/email.scm ("decode MIME encoded word: wikipedia example", "decode MIME encoded phrases that mix ASCII text and MIME encoded words"): New tests.
2018-11-14tests: Add tests for email address parsing.Arun Isaac
* tests/email.scm ("parse name-addr email address", "parse addr-spec email address", "parse emacs message mode parens style email address"): New tests.
2018-10-01tests: Add tests for (email email).Arun Isaac
* tests/email.scm: New file. * Makefile.am (SCM_TESTS): Register it.
2018-09-15tests: Add random test for Q encoding.Arun Isaac
* tests/quoted-printable.scm (q-encoding random bytevector: q-encoding-encode and q-encoding-decode are inverses of each other): New test.
2018-09-15quoted-printable: Q-encode #\? and #\_ with their ASCII values.Arun Isaac
* email/quoted-printable.scm (%q-encoding-literal-char-set, %quoted-printable-literal-char-set): New variables. (quoted-printable-encode): Move core encoding code to ... (quoted-printable-style-encode): ... this new function. (q-encoding-decode): Call quoted-printable-style-encode with the appropriate literal-char-set instead of calling quoted-printable-encode. * tests/quoted-printable.scm (q-encoding of special characters): Add to check for this bug.
2018-09-15tests: Extend quoted-printable special characters encoding test.Arun Isaac
* tests/quoted-printable.scm (quoted-printable-escape-encode-char): New function. ("quoted-printable encoding of ="): Rename to ... ("quoted-printable encoding of special characters"): ... this. Extend to test encoding of #\return and #\newline as well.
2018-09-15tests: Add tests for quoted-printable.Arun Isaac
* tests/quoted-printable.scm (random-bytevector, each-line-has-a-maximum-of-76-characters?, string-has-only-quoted-printable-valid-characters?): New functions. (quoted-printable random bytevector: quoted-printable-encode and quoted-printable-decode are inverses of each other, quoted-printable random bytevector: encoded output should not be more than 76 columns wide, quoted-printable random bytevector: encoded output must only consist of printable ASCII characters): New tests.
2018-09-15quoted-printable: Encode #\= with its ASCII code.Arun Isaac
* email/quoted-printable.scm (quoted-printable-encode): Encode #\= with its ASCII code. * test/quoted-printable.scm (quoted-printable-encoding of =): Add test to check for this bug.
2018-09-12quoted-printable: Add q-encoding-encode.Arun Isaac
* email/quoted-printable.scm (q-encoding-encode): New function. * tests/quoted-printable.scm (q-encoding wikipedia example): Rename to ... (q-encoding wikipedia example: decoding): ... this. (q-encoding wikipedia example: encoding): New test.
2018-09-12Untabify and re-indent all sources.Arun Isaac
* build-aux/test-driver.scm, email/base64.scm, email/email.scm, email/quoted-printable.scm, email/utils.scm, tests/quoted-printable.scm: Untabify and re-indent.
2018-09-12quoted-printable: Add quoted-printable-encode.Arun Isaac
* email/quoted-printable.scm (quoted-printable-encode): New function. * tests/quoted-printable.scm (quoted-printable wikipedia example): Rename to ... (quoted-printable wikipedia example: decoding): ... this. (quoted-printable wikipedia example: encoding, quoted-printable wikipedia example: encoded output should not be more than 76 columns wide): New tests.
2018-09-12tests: Add tests for Q-encoding.Arun Isaac
* tests/quoted-printable.scm ("wikipedia example"): Rename to ... ("quoted-printable wikipedia example"): ... this. ("q-encoding wikipedia example"): New test.
2018-09-11tests: Add tests for (email quoted-printable).Arun Isaac
* build-aux/test-driver.scm: New file. * tests/quoted-printable.scm: New file. * Makefile.am (TEST_EXTENSIONS, SCM_TESTS, TESTS, SCM_LOG_DRIVER): New variables. (EXTRA_DIST): Register new files for distribution.