Commit Graph

149 Commits

Author SHA1 Message Date
Tissevert 42a02808c1 Merge branch 'main' into extract-text 2019-11-27 18:05:47 +01:00
Tissevert 380c1e439b Fix a bug preventing Hufflepdf from reading objects with a ' ' after the `obj` keyword 2019-11-27 18:01:19 +01:00
Tissevert c9f050e64b Remove deprecated debug script and forgotten comments to bypass the selective export of Text module 2019-10-14 10:17:15 +02:00
Tissevert 3a3e1533b4 Clean ByteString types to identify when a ByteString contains the representation of an integer in a given base and fix the last remaining PDF string (un)escaping issue 2019-10-14 10:17:15 +02:00
Tissevert a96e36ec5a Fix error silently discarding code ranges, make sure ByteString intervals are created with the correct byte length and decode utf16BE encoded values in single-value ranges 2019-10-14 10:17:15 +02:00
Tissevert d07c286f8e Clean exported ByteString custom functions 2019-10-14 10:17:15 +02:00
Tissevert 7a15113285 Try and re-implement string decoding — compiles but now fails to decode any string 2019-10-14 10:17:15 +02:00
Tissevert 36d7f9b819 Still debugging, broke pretty much everything and finally implementing a proper coderange parsing for CMap because apparently that's necessary 2019-10-14 10:17:15 +02:00
Tissevert b8ca7281aa Fix parsing errors forgetting to make sure there's a space after special operator arguments like names and stringObjects 2019-10-14 10:17:15 +02:00
Tissevert 32efdcdd6b Try and fix stuff by generalizing a signature to ease debugging and add parenthesis which I think should have been here all along 2019-10-14 10:17:15 +02:00
Tissevert 3b59fd0c61 Separate CMap and Text in two distinct modules 2019-10-14 10:17:15 +02:00
Tissevert 0374b72920 Finish implementing reading, still bugs to investigate 2019-10-14 10:17:15 +02:00
Tissevert 1dd22c3889 Going to try with Text, naturally handling UTF-16 but will still have to parse «int codes» manually from strings 2019-10-14 10:17:15 +02:00
Tissevert 98d029c4d4 In complete debug, more or less implemented CMap parsing but apparently it uses UTF16 ?! 2019-10-14 10:17:15 +02:00
Tissevert c349d9b4c2 Don't trust serializer, they have nothing todo with a reasonable binary encoding 2019-10-14 10:17:15 +02:00
Tissevert e7484ef536 Completely lost, the same old Char8 / Word8 again, implemented all the text reading, still needing a couple details to parse CMaps 2019-10-14 10:17:15 +02:00
Tissevert f9e5683bf4 WIP: Use previous changes to start implementing font caching and text parsing (still very broken, doesn't compile) 2019-10-14 10:17:15 +02:00
Tissevert b8eb9e6856 Generalize the Parser type into a MonadParser class to use with MonadTrans and remove redundant code already defined in Applicative or Attoparsec 2019-10-14 10:17:15 +02:00
Tissevert 66d315b7fe Reflect the distinction between eval and run from State monad into the Parser module 2019-10-14 10:17:15 +02:00
Tissevert 51db57ec67 Ugly commit, breaks everything, still trying to figure a grammar for text 2019-10-14 10:17:15 +02:00
Tissevert 6f3c159ea7 Adding a module to implement text reading and a demo program to go with it 2019-10-14 10:17:15 +02:00
Tissevert d6994f0813 Release 0.2.0.0 2019-10-14 10:16:14 +02:00
Tissevert 68f90d20e2 Implement PDF's multilayer updates and use it in getObj to display only the current version of the object taken into account instead of the concatenation of all its versions 2019-09-22 01:40:39 +02:00
Tissevert 3a39c75e6a Stop requiring an empty line between subsections in a xref section 2019-09-22 01:37:28 +02:00
Tissevert 29c5823f34 Fix precision bug caused by using Floats to represent PDF Number values sometimes used to represent a byte offset within a file 2019-09-22 01:34:17 +02:00
Tissevert 9ab010de61 Add to example programs to show how the lib can be used 2019-09-20 22:42:17 +02:00
Tissevert 699f830a45 Simplify XRef structure, clarify integer types and remove nextLine 2019-09-20 22:39:14 +02:00
Tissevert dd79cb3fc7 Release bugfix v0.1.1.1 2019-05-31 15:16:23 +02:00
Tissevert 264b0dc92b Stop requiring «trailer» keywords to live on a separate line as counter-examples have been found 2019-05-31 15:08:54 +02:00
Tissevert 9dac275f68 Keep comment-opening '%' along with the comment and support empty lines 2019-05-31 15:07:41 +02:00
Tissevert 85e4eb9273 Fix bypassed error message for lines + add one for occurrences 2019-05-31 15:06:20 +02:00
Tissevert 11cb6504d7 Go strict ByteStrings with attoparsec 2019-05-24 10:48:09 +02:00
Tissevert 0daa03d958 Remove commented out dead code 2019-05-21 09:07:37 +02:00
Tissevert b60f337cc4 First useable version 2019-05-18 11:09:03 +02:00
Tissevert 2c165daaa7 Finally opt for uppercase Hufflepdf and rename cabal package 2019-05-18 09:49:31 +02:00
Tissevert 5614a25048 Generate valid PDF 2019-05-18 09:01:13 +02:00
Tissevert 0336baa687 Fix output implementation with dynamic XRefs 2019-05-17 16:14:06 +02:00
Tissevert e23618da68 Implement output 2019-05-16 22:41:14 +02:00
Tissevert 088637b2c0 Compat stuff for Monoid / Semigroup 2019-05-16 21:40:19 +02:00
Tissevert 96190a8ca4 Forgot to add changes to cabal file 2019-05-16 17:06:14 +02:00
Tissevert 645466024a Starting to implement output with String builder 2019-05-16 17:04:45 +02:00
Tissevert 9b2f890227 Boyer-Moore is canceled, implement the rest of parsing with naive search 2019-05-16 11:01:50 +02:00
Tissevert fc41f815a3 Broken state : trying to implement Boyer-Moore for fast-forwarding to the end of a section 2019-05-15 19:13:35 +02:00
Tissevert 379a821550 Fix bugs preventing the objects from loading 2019-05-15 15:03:55 +02:00
Tissevert 44508a204c Reuse Parser type in PDF.Body (and generalize the type of the comment parser) 2019-05-15 09:04:17 +02:00
Tissevert 91292d6401 Implement retrieving objects in the body of the document and use it to populate the structure previously parsed 2019-05-14 18:42:11 +02:00
Tissevert 8043f84da8 Cut PDF module in two, implement basic parsing up to reading XRef table 2019-05-13 18:22:05 +02:00
Tissevert 6eacb55fc4 Fix bug preventing startXref to be found for files with a single byte EOL encoding 2019-05-13 11:34:15 +02:00
Tissevert c036334b6f Prototype successfully parsing (only last) startxref 2019-05-13 08:05:28 +02:00