Hi Emil! That's very awesome work, thanks for the dedication of making a tutorial!
I would simply want to add, maybe you should launch macirb with --simple-prompt, it makes the output a little nicer and clearer I think (at least for that kind of examples where line numbers are not really needed). Thank you again! -- Thibault Martin-Lagardette On Aug 22, 2010, at 12:46, Nick Ludlam wrote: > > Fantastic feedback, thanks again. I've included comments inline below, and > I've updated the preview at > http://recoil.org/~nick/macruby/documentation/realworld-dynamic-bundles.h > > On 20 Aug 2010, at 14:51, Emil Tin wrote: > >> progress! >> I downloaded your project, and it builds without problems. Comparing them I >> found out that: >> >> 1. my project was missing the 'Copy Headers' build phase. > > You're right, I've added this into the text. > > >> 2. after adding a 'copy headers' phase, and using the get info.. then >> checkbox method to add headers files from the taglib target to the >> taglibbundle target, it still couldn't build because my project had list.tcc >> and tmap.tcc in the 'compile sources' build phase. for some reason, it seems >> that when i use 'get info' method, files with the .tcc extension are added >> to the 'compile source' phase isntead of the 'copy headers' phase. > > Yeah it seems XCode gets confused with that suffix. I've simplified the > method of cloning the header and source settings by getting the reader to > drag and drop the files from the existing folders directly into the new. > > >> after moving the two .tcc files to the 'copy headers phase', my project >> builds. moving on i found. >> >> >> 3. TagLib.h needs #import <Cocoa/Cocoa.h> > > Linking to <Foundation/Foundation.h> should be all thats needed, but the > template uses Cocoa, so I'll add a step to edit this from Cocoa to Foundation. > > >> 4. TagLib.m needs #import "tag_c.h" > > Correct, and fixed! > > >> 5. the copy script at the end failed. the reason was i copied it from the >> webpage, which had a line break. you might add a "\" to the code at the >> webapge: >> >> cp -v "${TARGET_BUILD_DIR}/${EXECUTABLE_PATH}" \ >> "${SOURCE_ROOT}/${FULL_PRODUCT_NAME}" > > I've now added the backslash to help with the line wrapping. > > >> 6. i need to require the full path to the bundle (or modify load paths). >> simply using require 'TagLibBundle' fails even if i'm inside the folder the >> bundle is? > > I think this is because I missed a step where you give the project the > '.bundle' suffix, so you end up with a 'TagLibBundle.bundle' filename. I've > added it to the tutorial text. > > >> 7. it works! i can use test.tags[:title] and get the title af an mp3. >> >> 8. if i call test.tags i get a segmentation fault: >> >> ~/Desktop/MacRuby/TagLib.framework$ macirb >> Couldn't load Wirble: no such file to load -- wirble >> irb(main):001:0> require >> '/Users/emiltin/Desktop/MacRuby/TagLib.framework/TagLibBundle.bundle' >> => true >> irb(main):002:0> test = >> TagLib.alloc.initWithFileAtPath("/Users/emiltin/Music/Elysium\ >> etc/Celestial_Sounds_and_Tribal_Beats_mp3/05.Wisdom.mp3") >> => #<TagLib:0x200031f40> >> irb(main):003:0> test.tags[:title]=> "Wisdom" >> irb(main):004:0> test.tagsSegmentation fault > > Ok this is a weird one, and I think related to reference counting and release > pools. I've now altered the way the wrapper works, and it now uses discreet > ivars and getters instead of a dictionary, which is a little more verbose, > but nicer from the Ruby side of things. > > >> >> On 20/08/2010, at 14.42, Nick Ludlam wrote: >> >>> Thanks very much Emil. I'll go through the points: >>> >>> 1. Good catch. I'll replace this with 'curl' since it's part of the base >>> system. >>> >>> 2. I'll describe this step in a little more detail, perhaps with a >>> screenshot. There is a reasonable familiarity with XCode that's assumed, >>> though. >>> >>> 3. I suspect this is related to build setting change that I may have missed >>> out. If you have time, could you grab the project from >>> http://github.com/nickludlam/TagLib.framework and try compiling ? >>> >>> >>> Nick >>> >>> >>> On 20 Aug 2010, at 12:42, Emil Tin wrote: >>> >>>> >>>> nice tutorials! >>>> >>>> i tried following the tutorial but ran into a few problems: >>>> >>>> 1. >>>> wget command was not found. wget is not installed by default in os x, it >>>> seems. >>>> >>>> 2. >>>> linking agains foundation and libz: as an xcode beginner, i had to guess a >>>> bit to figure out how to do this. i suppose you mean adding items in the >>>> 'linked libraries' area of the taglibbundle target info pane. maybe >>>> describe in a sentence the simple steps involved. >>>> >>>> 3. >>>> can't compile. when i try to build the project, i get a lot of errors. >>>> here's the first: >>>> >>>> >>>> CompileC >>>> /Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/Objects-normal/x86_64/tlist.o >>>> taglib-src/taglib/toolkit/tlist.tcc normal x86_64 c++ >>>> com.apple.compilers.gcc.4_2 >>>> cd /Users/emiltin/Desktop/MacRuby/TagLib.framework >>>> setenv LANG en_US.US-ASCII >>>> /Developer/usr/bin/gcc-4.2 -x c++ -arch x86_64 -fmessage-length=0 -pipe >>>> -Wno-trigraphs -fpascal-strings -fasm-blocks -O0 -Wreturn-type >>>> -Wunused-variable -DHAVE_CONFIG_H -isysroot /Developer/SDKs/MacOSX10.6.sdk >>>> -mfix-and-continue -fvisibility-inlines-hidden -mmacosx-version-min=10.6 >>>> -gdwarf-2 -iquote >>>> /Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/TagLibBundle-generated-files.hmap >>>> >>>> -I/Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/TagLibBundle-own-target-headers.hmap >>>> >>>> -I/Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/TagLibBundle-all-target-headers.hmap >>>> -iquote >>>> /Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/TagLibBundle-project-headers.hmap >>>> -F/Users/emiltin/Desktop/builds/Debug >>>> -I/Users/emiltin/Desktop/builds/Debug/include >>>> -I/Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/DerivedSources/x86_64 >>>> >>>> -I/Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/DerivedSourc e > s >>> -c >>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc >>> -o >>> /Users/emiltin/Desktop/builds/TagLib.build/Debug/TagLibBundle.build/Objects-normal/x86_64/tlist.o >>>> >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:42: >>>> error: expected class-name before '{' token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:51: >>>> error: 'List' is not a template >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:51: >>>> error: 'List' has not been declared >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:51: >>>> error: expected unqualified-id before ':' token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:66: >>>> error: 'List' is not a template >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:66: >>>> error: 'List' has not been declared >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:66: >>>> error: expected unqualified-id before '<' token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:90: >>>> error: expected constructor, destructor, or type conversion before '<' >>>> token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:96: >>>> error: expected constructor, destructor, or type conversion before '<' >>>> token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:102: >>>> error: expected constructor, destructor, or type conversion before '<' >>>> token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:109: >>>> error: expected nested-name-specifier before 'List' >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:109: >>>> error: expected initializer before '<' token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:116: >>>> error: expected nested-name-specifier before 'List' >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:116: >>>> error: expected initializer before '<' token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:122: >>>> error: expected nested-name-specifier before 'List' >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:122: >>>> error: expected initializer before '<' token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:129: >>>> error: expected nested-name-specifier before 'List' >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:129: >>>> error: expected initializer before '<' token >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:135: >>>> error: expected nested-name-specifier before 'List' >>>> /Users/emiltin/Desktop/MacRuby/TagLib.framework/taglib-src/taglib/toolkit/tlist.tcc:135: >>>> error: expected initializer before '<' token >>>> ..... >>>> >>>> >>>> i'm using taglib 1.6.3, os x 10.6.4 and xcode 3.2.3 >>>> >>>> I'm not very experienced with xcode, and not sure what to do next. i >>>> followed the steps you described wtih setting up xcode build settings, >>>> etc. it seems the header files is somehow not included correctly? >>>> >>>> thanks, >>>> emil >>>> >>>> >>>> On 19/08/2010, at 19.12, Nick Ludlam wrote: >>>> >>>>> I've written up a first draft of a tutorial on taking C/C++, wrapping the >>>>> code in a simple Obj-C class, then exporting this as a bundle which can >>>>> be loaded by MacRuby. In this case, it's about wrapping the open-source >>>>> TagLib library in order to extract ID3 tags from mp3 files. >>>>> >>>>> If people have the time, I'd really appreciate any feedback on things >>>>> like length, clarity, and accuracy of describing steps in XCode etc etc. >>>>> >>>>> http://recoil.org/~nick/macruby/documentation/realworld-dynamic-bundles.html >>>>> >>>>> >>>>> Thanks, >>>>> Nick >>>>> >>>>> _______________________________________________ >>>>> MacRuby-devel mailing list >>>>> MacRuby-devel@lists.macosforge.org >>>>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel >>>> >>>> _______________________________________________ >>>> MacRuby-devel mailing list >>>> MacRuby-devel@lists.macosforge.org >>>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel >>> >>> _______________________________________________ >>> MacRuby-devel mailing list >>> MacRuby-devel@lists.macosforge.org >>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel >> >> _______________________________________________ >> MacRuby-devel mailing list >> MacRuby-devel@lists.macosforge.org >> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel > > _______________________________________________ > MacRuby-devel mailing list > MacRuby-devel@lists.macosforge.org > http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel _______________________________________________ MacRuby-devel mailing list MacRuby-devel@lists.macosforge.org http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
