From: Nick Bowler Date: Thu, 10 Jan 2019 03:46:40 +0000 (-0500) Subject: Put some actual material on the site. X-Git-Url: https://git.draconx.ca/gitweb/homepage.git/commitdiff_plain/de605446b3ed408672aecd74462a25de41c1367c Put some actual material on the site. Add an initial projects list and create description pages for cdecl99 and slotifier. Introduce a simple navigation mechanism to these sub-pages. --- diff --git a/Rules b/Rules index 79dc5f4..d0a81fb 100644 --- a/Rules +++ b/Rules @@ -1,6 +1,6 @@ #!/usr/bin/env ruby # -# Copyright © 2018 Nick Bowler +# Copyright © 2018-2019 Nick Bowler # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -48,8 +48,20 @@ postprocess do end end +compile '/license/gpl*.md' do + filter :kramdown, auto_ids: false, header_offset: -1 + layout '/default.xml' + layout '/gpl.xsl' + layout '/default.xsl' + filter :relativize_paths, type: :xml + filter :remove_wj + write to_xhtml +end + compile '/**/*.md' do - filter :kramdown, header_offset: 1 + filter :erb + filter :kramdown, auto_ids: false, header_offset: 1 + snapshot :rawbody layout '/default.xml' layout '/default.xsl' filter :relativize_paths, type: :xml diff --git a/content/index.md b/content/index.md index 242c029..bd0fca4 100644 --- a/content/index.md +++ b/content/index.md @@ -1,16 +1,17 @@ --- title: The Citrine Citadel -copyright: 2018 Nick Bowler +copyright: 2019 Nick Bowler license: cc-by-nd-4.0 --- Hello traveller, and welcome to this remote isle of the World Wide Web! We don't receive many visitors to our fort, but why not sit back and enjoy a pint at the tavern while you are here? The locals are friendly! You -may also visit the workshop. There you will find the local -[git server](//git.draconx.ca) which you could find interesting. +may also visit the [workshop](<%= item_uri(@items["/projects.md"]) %>). +There you will find the local [git server](//git.draconx.ca) which you +could find interesting. -In time more facilities may open to the public. +In time more facilities may open to visitors. This castle's master is Nick Bowler, who may occasionally be reached by electronic mail at [nbowler@draconx.ca](mailto:nbowler@draconx.ca). diff --git a/content/license/gpl-2.md b/content/license/gpl-2.md new file mode 100644 index 0000000..28fbeca --- /dev/null +++ b/content/license/gpl-2.md @@ -0,0 +1,361 @@ +### GNU GENERAL PUBLIC LICENSE + +Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +### Preamble + +The licenses for most software are designed to take away your freedom +to share and change it. By contrast, the GNU General Public License is +intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. 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Of course, the +commands you use may be called something other than \`show w' and +\`show c'; they could even be mouse-clicks or menu items--whatever +suits your program. + +You should also get your employer (if you work as a programmer) or +your school, if any, to sign a "copyright disclaimer" for the program, +if necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright + interest in the program `Gnomovision' + (which makes passes at compilers) written + by James Hacker. + + signature of Ty Coon, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, +you may consider it more useful to permit linking proprietary +applications with the library. If this is what you want to do, use the +[GNU Lesser General Public +License](https://www.gnu.org/licenses/lgpl.html) instead of this +License. diff --git a/content/license/gpl-2.yaml b/content/license/gpl-2.yaml new file mode 100644 index 0000000..7a49cad --- /dev/null +++ b/content/license/gpl-2.yaml @@ -0,0 +1,3 @@ +title: GNU General Public License, version 2 +header: GNU General Public License +modification-allowed: yes diff --git a/content/license/gpl-3.md b/content/license/gpl-3.md new file mode 100644 index 0000000..2fb2e74 --- /dev/null +++ b/content/license/gpl-3.md @@ -0,0 +1,675 @@ +### GNU GENERAL PUBLIC LICENSE + +Version 3, 29 June 2007 + +Copyright (C) 2007 Free Software Foundation, Inc. + + +Everyone is permitted to copy and distribute verbatim copies of this +license document, but changing it is not allowed. + +### Preamble + +The GNU General Public License is a free, copyleft license for +software and other kinds of works. + +The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Regardless of what server hosts the + Corresponding Source, you remain obligated to ensure that it is + available for as long as needed to satisfy these requirements. +- e) Convey the object code using peer-to-peer transmission, + provided you inform other peers where the object code and + Corresponding Source of the work are being offered to the general + public at no charge under subsection 6d. + +A separable portion of the object code, whose source code is excluded +from the Corresponding Source as a System Library, need not be +included in conveying the object code work. + +A "User Product" is either (1) a "consumer product", which means any +tangible personal property which is normally used for personal, +family, or household purposes, or (2) anything designed or sold for +incorporation into a dwelling. In determining whether a product is a +consumer product, doubtful cases shall be resolved in favor of +coverage. For a particular product received by a particular user, +"normally used" refers to a typical or common use of that class of +product, regardless of the status of the particular user or of the way +in which the particular user actually uses, or expects or is expected +to use, the product. A product is a consumer product regardless of +whether the product has substantial commercial, industrial or +non-consumer uses, unless such uses represent the only significant +mode of use of the product. + +"Installation Information" for a User Product means any methods, +procedures, authorization keys, or other information required to +install and execute modified versions of a covered work in that User +Product from a modified version of its Corresponding Source. The +information must suffice to ensure that the continued functioning of +the modified object code is in no case prevented or interfered with +solely because modification has been made. + +If you convey an object code work under this section in, or with, or +specifically for use in, a User Product, and the conveying occurs as +part of a transaction in which the right of possession and use of the +User Product is transferred to the recipient in perpetuity or for a +fixed term (regardless of how the transaction is characterized), the +Corresponding Source conveyed under this section must be accompanied +by the Installation Information. But this requirement does not apply +if neither you nor any third party retains the ability to install +modified object code on the User Product (for example, the work has +been installed in ROM). + +The requirement to provide Installation Information does not include a +requirement to continue to provide support service, warranty, or +updates for a work that has been modified or installed by the +recipient, or for the User Product in which it has been modified or +installed. Access to a network may be denied when the modification +itself materially and adversely affects the operation of the network +or violates the rules and protocols for communication across the +network. + +Corresponding Source conveyed, and Installation Information provided, +in accord with this section must be in a format that is publicly +documented (and with an implementation available to the public in +source code form), and must require no special password or key for +unpacking, reading or copying. + +#### 7. Additional Terms. + +"Additional permissions" are terms that supplement the terms of this +License by making exceptions from one or more of its conditions. +Additional permissions that are applicable to the entire Program shall +be treated as though they were included in this License, to the extent +that they are valid under applicable law. If additional permissions +apply only to part of the Program, that part may be used separately +under those permissions, but the entire Program remains governed by +this License without regard to the additional permissions. + +When you convey a copy of a covered work, you may at your option +remove any additional permissions from that copy, or from any part of +it. (Additional permissions may be written to require their own +removal in certain cases when you modify the work.) You may place +additional permissions on material, added by you to a covered work, +for which you have or can give appropriate copyright permission. + +Notwithstanding any other provision of this License, for material you +add to a covered work, you may (if authorized by the copyright holders +of that material) supplement the terms of this License with terms: + +- a) Disclaiming warranty or limiting liability differently from the + terms of sections 15 and 16 of this License; or +- b) Requiring preservation of specified reasonable legal notices or + author attributions in that material or in the Appropriate Legal + Notices displayed by works containing it; or +- c) Prohibiting misrepresentation of the origin of that material, + or requiring that modified versions of such material be marked in + reasonable ways as different from the original version; or +- d) Limiting the use for publicity purposes of names of licensors + or authors of the material; or +- e) Declining to grant rights under trademark law for use of some + trade names, trademarks, or service marks; or +- f) Requiring indemnification of licensors and authors of that + material by anyone who conveys the material (or modified versions + of it) with contractual assumptions of liability to the recipient, + for any liability that these contractual assumptions directly + impose on those licensors and authors. + +All other non-permissive additional terms are considered "further +restrictions" within the meaning of section 10. If the Program as you +received it, or any part of it, contains a notice stating that it is +governed by this License along with a term that is a further +restriction, you may remove that term. If a license document contains +a further restriction but permits relicensing or conveying under this +License, you may add to a covered work material governed by the terms +of that license document, provided that the further restriction does +not survive such relicensing or conveying. + +If you add terms to a covered work in accord with this section, you +must place, in the relevant source files, a statement of the +additional terms that apply to those files, or a notice indicating +where to find the applicable terms. + +Additional terms, permissive or non-permissive, may be stated in the +form of a separately written license, or stated as exceptions; the +above requirements apply either way. + +#### 8. Termination. + +You may not propagate or modify a covered work except as expressly +provided under this License. Any attempt otherwise to propagate or +modify it is void, and will automatically terminate your rights under +this License (including any patent licenses granted under the third +paragraph of section 11). + +However, if you cease all violation of this License, then your license +from a particular copyright holder is reinstated (a) provisionally, +unless and until the copyright holder explicitly and finally +terminates your license, and (b) permanently, if the copyright holder +fails to notify you of the violation by some reasonable means prior to +60 days after the cessation. + +Moreover, your license from a particular copyright holder is +reinstated permanently if the copyright holder notifies you of the +violation by some reasonable means, this is the first time you have +received notice of violation of this License (for any work) from that +copyright holder, and you cure the violation prior to 30 days after +your receipt of the notice. + +Termination of your rights under this section does not terminate the +licenses of parties who have received copies or rights from you under +this License. If your rights have been terminated and not permanently +reinstated, you do not qualify to receive new licenses for the same +material under section 10. + +#### 9. Acceptance Not Required for Having Copies. + +You are not required to accept this License in order to receive or run +a copy of the Program. Ancillary propagation of a covered work +occurring solely as a consequence of using peer-to-peer transmission +to receive a copy likewise does not require acceptance. However, +nothing other than this License grants you permission to propagate or +modify any covered work. These actions infringe copyright if you do +not accept this License. Therefore, by modifying or propagating a +covered work, you indicate your acceptance of this License to do so. + +#### 10. Automatic Licensing of Downstream Recipients. + +Each time you convey a covered work, the recipient automatically +receives a license from the original licensors, to run, modify and +propagate that work, subject to this License. You are not responsible +for enforcing compliance by third parties with this License. + +An "entity transaction" is a transaction transferring control of an +organization, or substantially all assets of one, or subdividing an +organization, or merging organizations. If propagation of a covered +work results from an entity transaction, each party to that +transaction who receives a copy of the work also receives whatever +licenses to the work the party's predecessor in interest had or could +give under the previous paragraph, plus a right to possession of the +Corresponding Source of the work from the predecessor in interest, if +the predecessor has it or can get it with reasonable efforts. + +You may not impose any further restrictions on the exercise of the +rights granted or affirmed under this License. For example, you may +not impose a license fee, royalty, or other charge for exercise of +rights granted under this License, and you may not initiate litigation +(including a cross-claim or counterclaim in a lawsuit) alleging that +any patent claim is infringed by making, using, selling, offering for +sale, or importing the Program or any portion of it. + +#### 11. Patents. + +A "contributor" is a copyright holder who authorizes use under this +License of the Program or a work on which the Program is based. The +work thus licensed is called the contributor's "contributor version". + +A contributor's "essential patent claims" are all patent claims owned +or controlled by the contributor, whether already acquired or +hereafter acquired, that would be infringed by some manner, permitted +by this License, of making, using, or selling its contributor version, +but do not include claims that would be infringed only as a +consequence of further modification of the contributor version. For +purposes of this definition, "control" includes the right to grant +patent sublicenses in a manner consistent with the requirements of +this License. + +Each contributor grants you a non-exclusive, worldwide, royalty-free +patent license under the contributor's essential patent claims, to +make, use, sell, offer for sale, import and otherwise run, modify and +propagate the contents of its contributor version. + +In the following three paragraphs, a "patent license" is any express +agreement or commitment, however denominated, not to enforce a patent +(such as an express permission to practice a patent or covenant not to +sue for patent infringement). To "grant" such a patent license to a +party means to make such an agreement or commitment not to enforce a +patent against the party. + +If you convey a covered work, knowingly relying on a patent license, +and the Corresponding Source of the work is not available for anyone +to copy, free of charge and under the terms of this License, through a +publicly available network server or other readily accessible means, +then you must either (1) cause the Corresponding Source to be so +available, or (2) arrange to deprive yourself of the benefit of the +patent license for this particular work, or (3) arrange, in a manner +consistent with the requirements of this License, to extend the patent +license to downstream recipients. "Knowingly relying" means you have +actual knowledge that, but for the patent license, your conveying the +covered work in a country, or your recipient's use of the covered work +in a country, would infringe one or more identifiable patents in that +country that you have reason to believe are valid. + +If, pursuant to or in connection with a single transaction or +arrangement, you convey, or propagate by procuring conveyance of, a +covered work, and grant a patent license to some of the parties +receiving the covered work authorizing them to use, propagate, modify +or convey a specific copy of the covered work, then the patent license +you grant is automatically extended to all recipients of the covered +work and works based on it. + +A patent license is "discriminatory" if it does not include within the +scope of its coverage, prohibits the exercise of, or is conditioned on +the non-exercise of one or more of the rights that are specifically +granted under this License. You may not convey a covered work if you +are a party to an arrangement with a third party that is in the +business of distributing software, under which you make payment to the +third party based on the extent of your activity of conveying the +work, and under which the third party grants, to any of the parties +who would receive the covered work from you, a discriminatory patent +license (a) in connection with copies of the covered work conveyed by +you (or copies made from those copies), or (b) primarily for and in +connection with specific products or compilations that contain the +covered work, unless you entered into that arrangement, or that patent +license was granted, prior to 28 March 2007. + +Nothing in this License shall be construed as excluding or limiting +any implied license or other defenses to infringement that may +otherwise be available to you under applicable patent law. + +#### 12. No Surrender of Others' Freedom. + +If conditions are imposed on you (whether by court order, agreement or +otherwise) that contradict the conditions of this License, they do not +excuse you from the conditions of this License. If you cannot convey a +covered work so as to satisfy simultaneously your obligations under +this License and any other pertinent obligations, then as a +consequence you may not convey it at all. For example, if you agree to +terms that obligate you to collect a royalty for further conveying +from those to whom you convey the Program, the only way you could +satisfy both those terms and this License would be to refrain entirely +from conveying the Program. + +#### 13. Use with the GNU Affero General Public License. + +Notwithstanding any other provision of this License, you have +permission to link or combine any covered work with a work licensed +under version 3 of the GNU Affero General Public License into a single +combined work, and to convey the resulting work. The terms of this +License will continue to apply to the part which is the covered work, +but the special requirements of the GNU Affero General Public License, +section 13, concerning interaction through a network will apply to the +combination as such. + +#### 14. Revised Versions of this License. + +The Free Software Foundation may publish revised and/or new versions +of the GNU General Public License from time to time. Such new versions +will be similar in spirit to the present version, but may differ in +detail to address new problems or concerns. + +Each version is given a distinguishing version number. If the Program +specifies that a certain numbered version of the GNU General Public +License "or any later version" applies to it, you have the option of +following the terms and conditions either of that numbered version or +of any later version published by the Free Software Foundation. If the +Program does not specify a version number of the GNU General Public +License, you may choose any version ever published by the Free +Software Foundation. + +If the Program specifies that a proxy can decide which future versions +of the GNU General Public License can be used, that proxy's public +statement of acceptance of a version permanently authorizes you to +choose that version for the Program. + +Later license versions may give you additional or different +permissions. However, no additional obligations are imposed on any +author or copyright holder as a result of your choosing to follow a +later version. + +#### 15. Disclaimer of Warranty. + +THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT +WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND +PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE +DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR +CORRECTION. + +#### 16. Limitation of Liability. + +IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR +CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES +ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT +NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR +LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM +TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER +PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + +#### 17. Interpretation of Sections 15 and 16. + +If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + +END OF TERMS AND CONDITIONS + +### How to Apply These Terms to Your New Programs + +If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these +terms. + +To do so, attach the following notices to the program. It is safest to +attach them to the start of each source file to most effectively state +the exclusion of warranty; and each file should have at least the +"copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper +mail. + +If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands \`show w' and \`show c' should show the +appropriate parts of the General Public License. Of course, your +program's commands might be different; for a GUI interface, you would +use an "about box". + +You should also get your employer (if you work as a programmer) or +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. For more information on this, and how to apply and follow +the GNU GPL, see . + +The GNU General Public License does not permit incorporating your +program into proprietary programs. If your program is a subroutine +library, you may consider it more useful to permit linking proprietary +applications with the library. If this is what you want to do, use the +GNU Lesser General Public License instead of this License. But first, +please read . diff --git a/content/license/gpl-3.yaml b/content/license/gpl-3.yaml new file mode 100644 index 0000000..b54bab9 --- /dev/null +++ b/content/license/gpl-3.yaml @@ -0,0 +1,3 @@ +title: GNU General Public License, version 3 +header: GNU General Public License +modification-allowed: yes diff --git a/content/projects.md b/content/projects.md new file mode 100644 index 0000000..90413c9 --- /dev/null +++ b/content/projects.md @@ -0,0 +1,20 @@ +--- +title: Workshop +copyright: 2019 Nick Bowler +license: cc-by-nd-4.0 +--- + +Most of the operations here in the workshop are tracked on our local [git +server](//git.draconx.ca) which can be browsed online. All the work here is +[free as in freedom](//www.gnu.org/philosophy/free-sw) which means you are +free to use, study, change and share these projects with others. + +# Project list + +<% @items.find_all('/projects/*').sort { + |a,b| a[:title] <=> b[:title] +}.each do |i| %> +[<%= i[:title] %>](<%= i.identifier.without_ext %>) + +: <%= item_longdesc(i) %> +<% end %> diff --git a/content/projects/cdecl99.md b/content/projects/cdecl99.md new file mode 100644 index 0000000..b6438ed --- /dev/null +++ b/content/projects/cdecl99.md @@ -0,0 +1,55 @@ +--- +title: Cdecl99 +copyright: 2019 Nick Bowler +license: gpl-3 or (at your option) any later version +--- + +Cdecl99 is a tool to help construct or understand complicated C declarations. +Inspired by the venerable cdecl, which predates C's standardization in 1989, +cdecl99 implements more or less the same concept but for modern C. + +Unlike the original cdecl, cdecl99 supports all relevant C99 keywords, has no +undue restrictions on identifiers, understands features such as complex types, +variadic functions and named parameters, and also has the ability to parse +"plain" type names (which do not declare an identifier). + +At this time there is no support for new declaration syntax introduced in C11, +including atomic types, `_Alignas`, `_Thread_local` or `_Noreturn` specifers. + +The package includes both an executable program (cdecl99) and a library +(libcdecl) which can be used by other programs to provide cdecl-like +functionality. + +# Obtaining cdecl99 + +[cdecl99-gitweb]: //git.draconx.ca/gitweb/cdecl99.git + +There are presently no released versions of cdecl99. The development sources +[may be browsed online][cdecl99-gitweb] or cloned directly using git, e.g., + +git clone https://git.draconx.ca/cdecl99.git + +# Dependencies + +[readline-homepage]: https://www.gnu.org/software/readline/ +[gettext-homepage]: https://www.gnu.org/software/gettext/ + +Cdecl99 is written in C, so a working C compiler is required. All external +library dependencies are optional and provide additional functionality. + +The [GNU readline library][readline-homepage] is used to provide interactive +line-editing and history functionality. + +The [GNU libintl library][gettext-homepage] (included with the GNU C library) +is used to support localized program messages. However, the core functionality +of translating C declarations into pseudo-English is not localizable since the +output is intended to be machine-readable. + +Building from the development sources may require additional build tools. + +# License + +Cdecl99 is free software: you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation, either version 3 of the License or (at your option) any later +version. diff --git a/content/projects/slotifier.md b/content/projects/slotifier.md new file mode 100644 index 0000000..256cc0c --- /dev/null +++ b/content/projects/slotifier.md @@ -0,0 +1,82 @@ +--- +title: Slotifier +copyright: 2019 Nick Bowler +license: gpl-3 or (at your option) any later version +--- + +Slotifier is a simple program which takes an Excellon drill file input, +searches for overlapping drill hits, and generates a new drill file with +those hits converted to a single slot (G85 entry in the drill file). + +This is useful when using a PCB tool which does not generate such slots +directly, but you require this format for fabrication. Simply use overlapping +drill hits in the PCB tool to represent slots, then run slotifier on the drill +file before sending to the fab. + +The types of slots that can be produced with this tool are limited: they must +be straight lines and must have the same thickness throughout. Slotifier uses +a simple heuristic to convert holes to slots, and might behave unexpectedly if +drill hits overlap in complex ways, see below. + +# Obtaining slotifier + +[slotifier-gitweb]: //git.draconx.ca/gitweb/slotifier.git + +There are presently no released versions of slotifier. The development +sources [may be browsed online][slotifier-gitweb] or cloned directly using +git, e.g., + +git clone https://git.draconx.ca/slotifier.git + +# Dependencies + +[gerbv-homepage]: http://gerbv.geda-project.org/ +[neartree-homepage]: http://neartree.sourceforge.net/ +[gettext-homepage]: https://www.gnu.org/software/gettext/ + +Slotifier is written in C, so a working C compiler is required. + +The [libgerbv library][gerbv-homepage] is used to process the Excellon drill +file format. It must be a sufficiently recent version with support for G85 +slots: the first version to support such slots is gerbv 2.7. + +Furthermore, to compute the overlap relation, slotifier uses the [CNearTree +library][neartree-homepage]. + +Optionally, in order to support localized program messages the [GNU libintl +library][gettext-homepage] (included with the GNU C library) is required. + +Building from the development sources may require additional build tools. + +# Theory of operation + +Slotifier works by locating groups of drill hits which are considered +mergeable. Two holes are considered to _overlap_ if and only if the centre of +either hole is positioned within the other hole, and the transitive closure of +this overlap relation gives the _mergeable_ relation. Thus, holes A and B +are mergeable if there is some sequence of overlapping holes, starting from +A, which leads to B. + +The mergeable property is an equivalence relation on the holes, so the holes +can be partitioned into equivalence classes. Every such class with more than +one hole in it is then converted into a slot as follows: + +* Two holes are chosen from the class such that the straight-line distance + between their centres is maximized. These two centres are used as the + endpoints of the slot. + +* The tool with the greatest diameter from all the holes in the class is used + as the tool for the slot. + +In either case, it is unspecified which option is chosen when there is more +than one maximum. + +For best results, the designer should ensure that mergeable holes form an +approximate straight line and use the same tools. + +# License + +Slotifier is free software: you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation, either version 3 of the License or (at your option) any later +version. diff --git a/content/style.css b/content/style.css index a8ff2c7..0f4b097 100644 --- a/content/style.css +++ b/content/style.css @@ -44,7 +44,7 @@ a:visited { color: purple; } -p { +p, body>div { text-align: justify; padding: 0; margin: 1em 0; @@ -88,9 +88,10 @@ ul.ordered>li>span:first-child, ul.ordered>li>*:first-child>span:first-child { } hr { + clear: both; text-align: left; margin: 0.5em 0; - width: 50em; + max-width: 50em; border: 0; border-top: 1px solid lightgray; } @@ -124,6 +125,50 @@ small.permalink { margin: 0.2em 0; } +kbd { + font-family: monospace; + font-size: small; +} + +kbd::before { + content: "% "; +} + +#breadcrumbs, #sitetitle { text-align: left; } +#breadcrumbs>*, #sitetitle>* { font-size: 0.8em; } + +#sitetitle>* { + float: right; + display: inline-block; +} + +#breadcrumbs>strong { + vertical-align: top; + margin: 0; + padding: 0; +} + +#breadcrumbs>ul { + list-style-type: none; + vertical-align: top; + display: inline; + margin: 0; + padding: 0; +} + +#breadcrumbs>ul>li { + display: inline; + padding: 0; + margin: 0; +} + +#breadcrumbs>ul>li::before { content: "/ " } +#breadcrumbs>ul>li:first-child::before { content: none; } + @media (max-width: 512px) { - li, dd, dt, p, #footer>p { text-align: left; } + body { margin: 0.6em; } + ul ul { margin-left: -1.2em; } } + +@media (max-width: 28em) { li, dd, dt, p, #footer>p { text-align: left; } } +@media (max-width: 35em) { #sitetitle>* { float: none; } } diff --git a/layouts/default.xml b/layouts/default.xml index b432c54..74c454a 100644 --- a/layouts/default.xml +++ b/layouts/default.xml @@ -32,10 +32,11 @@ %> <%= copyright %> <% end if @item[:license] then - lic = find_license(@item[:license]) + licref = @item[:license].split + lic = find_license(licref[0]) %> <%= File::basename(lic.identifier.without_ext) %> - <%= lic[:title] %> + <%= [lic[:title], licref[1..-1]].compact.join(" ").strip %> <%= item_uri(lic) %> <%= lic[:"modification-allowed"] == true ? "yes" : "no" @@ -49,6 +50,19 @@ Time.now.gmtime.strftime "%Y-%m-%d %H:%M UTC" %> + <% breadcrumbs_trail().compact.each do |i| + if i == @item then next end %> + + <%= + if i == @items["/index.*"] then + "Entrance" + else + i[:title] + end + %> + <%= item_uri(i) %> + <% end %> + <% if !doc_header then %>

<%= @item.fetch(:header, @item[:title]) %>

diff --git a/layouts/default.xsl b/layouts/default.xsl index bfe9101..2945570 100644 --- a/layouts/default.xsl +++ b/layouts/default.xsl @@ -202,6 +202,22 @@ + + +

+ +

+ +
+ +
diff --git a/layouts/gpl.xsl b/layouts/gpl.xsl new file mode 100644 index 0000000..23bdfe4 --- /dev/null +++ b/layouts/gpl.xsl @@ -0,0 +1,58 @@ + + + + + + + + + + + + + + ordered + + + + + + + +

+ + + + + +   + + + + diff --git a/lib/helpers.rb b/lib/helpers.rb index 1b354df..d2f3a7c 100644 --- a/lib/helpers.rb +++ b/lib/helpers.rb @@ -1,6 +1,6 @@ # Nick's web site: Ruby helpers for processing # -# Copyright © 2018 Nick Bowler +# Copyright © 2018-2019 Nick Bowler # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -17,6 +17,8 @@ require 'nokogiri' +use_helper Nanoc::Helpers::Breadcrumbs + Xmlns = { 'xhtml' => 'http://www.w3.org/1999/xhtml' }.freeze @@ -51,3 +53,13 @@ def find_license(license) raise("License not defined: " + license) if !matches.length return matches.sort_by { |item| item.identifier } [0] end + +# Return the first paragraph of the given item as a string. +def item_longdesc(item) + xml = Nokogiri::XML("" + + item.compiled_content(snapshot: :rawbody) + + "") + + p = xml.xpath('//xhtml:p', Xmlns) + if p.empty? then nil else p[0].xpath('string(.)') end +end