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Group: !AltME ... Discussion about AltME [web-public] | ||
Maxim: 14-Mar-2005 | it loads, but gives me a script load error, as if it was not able to decrypt the code within... | |
Izkata: 7-Apr-2005 | This seems to be something to fix/change - AltME couldn't connect a few minutes ago, and IE wouldn't load any websites - I ran Ad-Aware and removed 17 tracking cookies. As soon as they were gone, IE worked -and- AltME connected.. Is Rebol or AltME dependant on Internet Explorer? | |
Group: Core ... Discuss core issues [web-public] | ||
shadwolf: 31-Dec-2004 | hello every body On rebolfrance Forum we have a guy who wants to load a library DLL he have done most part of the work but he can't find how to convert in his rebol cloned struct! the int intpointer[4] from C language to an equivalent type of rebol. Can you enlight us please (you can respond directly to shadwolf) | |
Pekr: 10-Jan-2005 | I just wanted to load small text files (representing records) into block, then sort them. But as life goes on, your system evolves and I can imagine, that your e.g. Contact database will be extended by e.g. cell-phone2 record. But your previous records are already synced across tens of users. I wanted to sort and wondered, what to do about old records ... | |
shadwolf: 13-Jan-2005 | the thing is how to load or convert a C structure like this and use it in REBOL in a approachant way of C (I hope we could find even a better way to do it with rebol than in C) | |
shadwolf: 13-Jan-2005 | //------------------------------------------------------------- //- SMD2Header //- Header for all Md2 files, struct SMD2Header { int m_iMagicNum; //Always IDP2 (844121161) int m_iVersion; //8 int m_iSkinWidthPx; int m_iSkinHeightPx; int m_iFrameSize; int m_iNumSkins; int m_iNumVertices; int m_iNumTexCoords; int m_iNumTriangles; int m_iNumGLCommands; int m_iNumFrames; int m_iOffsetSkins; int m_iOffsetTexCoords; int m_iOffsetTriangles; int m_iOffsetFrames; int m_iOffsetGlCommands; int m_iFileSize; }; //------------------------------------------------------------- //- SMD2Vert //- Vertex structure for MD2 struct SMD2Vert { float m_fVert[3]; unsigned char m_ucReserved; }; //------------------------------------------------------------- //- SMD2Frame //- Frame information for the model file struct SMD2Frame { float m_fScale[3]; float m_fTrans[3]; char m_caName[16]; SMD2Vert * m_pVerts; //Cleans up after itself SMD2Frame() { m_pVerts = 0; } ~SMD2Frame() { if(m_pVerts) delete [] m_pVerts; } }; //------------------------------------------------------------- //- SMD2Tri //- Triangle information for the MD2 struct SMD2Tri { unsigned short m_sVertIndices[3]; unsigned short m_sTexIndices[3]; }; //------------------------------------------------------------- //- SMD2TexCoord //- Texture coord information for the MD2 struct SMD2TexCoord { float m_fTex[2]; }; //------------------------------------------------------------- //- SMD2Skin //- Name of a single skin in the md2 file struct SMD2Skin { char m_caSkin[64];//filename CImage m_Image;//Image file ready for texturing }; //------------------------------------------------------------- // CTIMER - // author: Evan Pipho ([evan-:-codershq-:-com]) - // date : Jul 10, 2002 - //------------------------------------------------------------- class CMd2 : public CModel { public: //Set skin to one of the files specified in the md2 files itself void SetSkin(unsigned int uiSkin); //Set skin to a different image void SetSkin(CImage& skin); //Load the file bool Load(const char * szFilename); //Render file at the initial position void Render(); //Render the file at a certain frame void Render(unsigned int uiFrame); //Animate the md2 model (start and end frames of 0 and 0 will loop through the WHOLE model void Animate(float fSpeed = 30.0f, unsigned int uiStartFrame = 0, unsigned int uiEndFrame = 0, bool bLoop = true); //constructors/destructo CMd2(); CMd2(const char * szFile); ~CMd2(); private: CTimer m_Timer; //file header information SMD2Header m_Head; //Frame information SMD2Frame * m_pFrames; //Triangles SMD2Tri * m_pTriangles; //Texure coords SMD2TexCoord * m_pTexCoords; //Skin files SMD2Skin * m_pSkins; //Interpolated vertices SMD2Vert * m_pVerts; //Current skin unsigned int m_uiSkin; //Using a custom skin? bool m_bIsCustomSkin; //The custom skin CImage * m_pCustSkin; }; | |
shadwolf: 14-Jan-2005 | the goal is to provide to REBOL the capability to do such a load in the simpliest and fastest way I think the posibility of using a vectorial data like float myvar[3]; | |
shadwolf: 14-Jan-2005 | //------------------------------------------------------------- //- Load //- Loads an MD2 model from file //------------------------------------------------------------- bool CMd2::Load(const char * szFilename) { unsigned char * ucpBuffer = 0; unsigned char * ucpPtr = 0; unsigned char * ucpTmpPtr = 0; int iFileSize = 0; FILE * f; if(!(f = fopen(szFilename, "rb"))) { APP->Log(COLOR_RED, "Could not open MD2 file %s", szFilename); return false; } //check file size and read it all into the buffer int iStart = ftell(f); fseek(f, 0, SEEK_END); int iEnd = ftell(f); fseek(f, 0, SEEK_SET); iFileSize = iEnd - iStart; //Allocate memory for whole file ucpBuffer = new unsigned char[iFileSize]; ucpPtr = ucpBuffer; if(!ucpBuffer) { APP->Log(COLOR_RED, "Could not allocate memory for %s", szFilename); return false; } //Load file into buffer if(fread(ucpBuffer, 1, iFileSize, f) != (unsigned)iFileSize) { APP->Log(COLOR_RED, "Could not read from %s", szFilename); delete [] ucpBuffer; return false; } //close the file, we don't need it anymore fclose(f); //get the header memcpy(&m_Head, ucpPtr, sizeof(SMD2Header)); //make sure it is a valid MD2 file before we get going if(m_Head.m_iMagicNum != 844121161 || m_Head.m_iVersion != 8) { APP->Log(COLOR_RED, "%s is not a valid MD2 file", szFilename); delete [] ucpBuffer; return false; } ucpTmpPtr = ucpPtr; ucpTmpPtr += m_Head.m_iOffsetFrames; //read the frames m_pFrames = new SMD2Frame[m_Head.m_iNumFrames]; for(int i = 0; i < m_Head.m_iNumFrames; i++) { float fScale[3]; float fTrans[3]; m_pFrames[i].m_pVerts = new SMD2Vert[m_Head.m_iNumVertices]; //expand the verices memcpy(fScale, ucpTmpPtr, 12); memcpy(fTrans, ucpTmpPtr + 12, 12); memcpy(m_pFrames[i].m_caName, ucpTmpPtr + 24, 16); ucpTmpPtr += 40; for(int j = 0; j < m_Head.m_iNumVertices; j++) { //swap y and z coords to convert to the proper orientation on screen m_pFrames[i].m_pVerts[j].m_fVert[0] = ucpTmpPtr[0] * fScale[0] + fTrans[0]; m_pFrames[i].m_pVerts[j].m_fVert[1] = ucpTmpPtr[2] * fScale[2] + fTrans[2]; m_pFrames[i].m_pVerts[j].m_fVert[2] = ucpTmpPtr[1] * fScale[1] + fTrans[1]; m_pFrames[i].m_pVerts[j].m_ucReserved = ucpTmpPtr[3]; ucpTmpPtr += 4; } } //Read in the triangles ucpTmpPtr = ucpPtr; ucpTmpPtr += m_Head.m_iOffsetTriangles; m_pTriangles = new SMD2Tri[m_Head.m_iNumTriangles]; memcpy(m_pTriangles, ucpTmpPtr, 12 * m_Head.m_iNumTriangles); //Read the U/V texture coords ucpTmpPtr = ucpPtr; ucpTmpPtr += m_Head.m_iOffsetTexCoords; m_pTexCoords = new SMD2TexCoord[m_Head.m_iNumTexCoords]; short * sTexCoords = new short[m_Head.m_iNumTexCoords * 2]; memcpy(sTexCoords, ucpTmpPtr, 4 * m_Head.m_iNumTexCoords); for(i = 0; i < m_Head.m_iNumTexCoords; i++) { m_pTexCoords[i].m_fTex[0] = (float)sTexCoords[2*i] / m_Head.m_iSkinWidthPx; m_pTexCoords[i].m_fTex[1] = (float)sTexCoords[2*i+1] / m_Head.m_iSkinHeightPx; } delete [] sTexCoords; //Read the skin filenames ucpTmpPtr = ucpPtr; ucpTmpPtr += m_Head.m_iOffsetSkins; m_pSkins = new SMD2Skin[m_Head.m_iNumSkins]; //Load textures for(i = 0; i < m_Head.m_iNumSkins; i++) { memcpy(m_pSkins[i].m_caSkin, ucpTmpPtr, 64); //hack off the leading parts and just get the filename char * szEnd = strrchr(m_pSkins[i].m_caSkin, '/'); if(szEnd) { szEnd++; strcpy(m_pSkins[i].m_caSkin, szEnd); } m_pSkins[i].m_Image.Load(m_pSkins[i].m_caSkin); ucpTmpPtr += 64; } delete [] ucpBuffer; return true; } | |
shadwolf: 14-Jan-2005 | class CMd2 : public CModel { public: //Set skin to one of the files specified in the md2 files itself void SetSkin(unsigned int uiSkin); //Set skin to a different image void SetSkin(CImage& skin); //Load the file bool Load(const char * szFilename); //Render file at the initial position void Render(); //Render the file at a certain frame void Render(unsigned int uiFrame); //Animate the md2 model (start and end frames of 0 and 0 will loop through the WHOLE model void Animate(float fSpeed = 30.0f, unsigned int uiStartFrame = 0, unsigned int uiEndFrame = 0, bool bLoop = true); //constructors/destructo CMd2(); CMd2(const char * szFile); ~CMd2(); private: CTimer m_Timer; //file header information SMD2Header m_Head; //Frame information SMD2Frame * m_pFrames; //Triangles SMD2Tri * m_pTriangles; //Texure coords SMD2TexCoord * m_pTexCoords; //Skin files SMD2Skin * m_pSkins; //Interpolated vertices SMD2Vert * m_pVerts; //Current skin unsigned int m_uiSkin; //Using a custom skin? bool m_bIsCustomSkin; //The custom skin CImage * m_pCustSkin; }; | |
shadwolf: 14-Jan-2005 | if you want to load 3 MD2 files you need only to make other main pointer to the information you retrieve from the file | |
shadwolf: 14-Jan-2005 | in rebol you will need to load 3 files to declare SDM2Header_f1 SMD2Header_f3 and SMD2Header_f3 with for both the stricly identical content tso your recoding 3 times or X times the same thing ... | |
shadwolf: 14-Jan-2005 | I'm not an expert on struct! far of that (wel in C yes but in REBOL no and I think it's because I'm not using load/library capability until now) but that's a good discution to point to difficulties on this kind of task and I hope help rebol Core to have a bettre handling of that | |
Terry: 15-Jan-2005 | Has anything changed with core regarding loading? I'm trying to load a function using a URL, and it comes back as a block? | |
Terry: 15-Jan-2005 | Has load become load/all ? | |
Sunanda: 15-Jan-2005 | For anything other than a simple value, you've always got a block back from load (as far as I remember) >> load "1" == 1 --- a value >> load "1 2" == [1 2] --- a block >> load mold :to-idate == [func ..... -- a block >> | |
sqlab: 24-Jan-2005 | load mold works too >> t: rejoin [ [] to-word "[" to-word "]"] == [[ ]] >> load mold t == [[]] >> type? first load mold t == block! >> | |
Group: Script Library ... REBOL.org: Script library and Mailing list archive [web-public] | ||
Sunanda: 8-Nov-2006 | Apologies -- REBOL.org was unavailable for just under a day, it's back now. The problem originated with the ISP, and it took them a little while to work out what they'd done wrong. Using a "non-standard" language seems to have added to their debug time: Extracts from two emails from the ISP's technical support: <<Hi, Sunanda. Sorry this is taking a bit. As I'm sure you know you have a non-standard setup :-) We aren't familiar with it and are puzzling it out. Am I right that you have your own scripting language? And that [snipped] is the [path to the] interpreter?>> <<Aha! Our web server rebooted yesterday. It's a FreeBSD server, and for a reason we haven't determined yet, the Linux compatability module didn't load. We loaded it and your site works again. We'll figure out why that module didn't load at boot.>> | |
Sunanda: 16-Apr-2007 | The Library itself already has some problems with this. The Libraty code (lots of it) runs under an outdated version of REBOL. And that has trouble doing a load/header on scripts written for later verisons. It's an annoyance at the moment, and not worth fixing yet if we have to go through another remediation to fix code for R3 | |
Sunanda: 16-Apr-2007 | That would be a good solution, Graham, if: 1. it were able to then load and run the right .exe 2. the whole software stack runs the same version......Imagine the annoyance if you need one utility that needs and earlier / later executable? (I don't need to imagine that; it's happened already for me) | |
btiffin: 16-Apr-2007 | Sunanda; I'm not a g-level rebol yet, but if you need to off load any mundane time-wasting low-brain work, send it this way and I might be able to help...willingness is there...skill? dunno. :) | |
Anton: 30-Apr-2007 | It's short, but still leaves room for confusion. How about being more descriptive ? Eg. "validation-filtered-load" ? | |
Sunanda: 30-Apr-2007 | Assuming you don't just validate, but also load the data according to the filter, then coerce might be a good name: coerce [date! "1 jan 2007"] ==> 1-jan-2007 | |
Sunanda: 1-May-2007 | That's a nice idea for a sort of "REBOL explainer" application. But it would be difficult to do in the Library. The Library does attempt to load and parse scripts -- that's how we do the colorisation. But (as with Gabriele's code) we rely on REBOL's own reflective abilities to tell us what is a word, function, operator etc. The Library runs an old version of Core (and even if we update that, we'd never run a version of View on a webserver) so it does not have access to all the information a proper explainer.highlighter would need. Take this script for example: http://www.rebol.org/cgi-bin/cgiwrap/rebol/view-script.r?color=yes&script=reboldiff.r 'new-line is a valid REBOL word, but it is not colored: that's because it is not a word in the version we use. So sadly, the colorisation at REBOL.or remains a nice bit of eye candy rather than a solidly dependable feature. | |
Sunanda: 1-May-2007 | That's true -- not something we could do safely on a server.....Hence we are limited to load/header etc. A desktop application may be able to be more daring -- provided you don't let arbitrary code out of the sandbox. | |
Anton: 4-Sep-2008 | Hmm... How to do that? We need to know where a particular Maybe: 1. Read script *and* Load script 2. Visit each item in the loaded block, recursively. 3. As each item is visited, check its type. 4. Depending somewhat on type, parse (in the READed script) to the molded item: 4.1 If it's a series, search for the "opener", eg. block! -> "[" 4.2 If it's a non-series, search for it molded. 4.3 | |
Sunanda: 4-Sep-2008 | We do index the files, and we have several indexes, some built by parsing parts of the script. So we can, usually, search for special parts of scripts -- like strings or comments. Part of the difficulty is that there are some scripts that we cannot do a 'load or a 'load/header on - they are broken or have an incompatible 'needs: header. So we cannot add those scripts to the sepcialised indexes. They need specialised handling :-) Watch this space -- I'm fiddling with some code that may partially need your need. | |
Anton: 4-Sep-2008 | Can't load ? Just skip it with with a warning message :) You still get your 99% solution. | |
Sunanda: 4-Sep-2008 | If we can't load, we try a few tricks (like commenting out the needs: header and reloading). But still, there are one ot two that we fail with. So they don't get as well indexed as the others...And (for the same reasons) they are the ones that appear in black and white even if you click the "view in color" link. | |
BrianH: 4-Sep-2008 | For that matter, do you index line comments separately, as LOAD filters them out? | |
sqlab: 14-Apr-2009 | Mike I checked your library example from the I'm new group producing errors. There is probably a weakness, as the script does not regard comment lines. A short enhancement would be parse-ini-file: func [ file-name [file!] /local ini-block current-section parsed-line section-name ][ ini-block: copy [] current-section: copy [] foreach ini-line read/lines file-name [ if #";" <> first ini-line [ ; do not process comment lines section-name: ini-line error? try [section-name: first load/all ini-line] either any [ error? try [block? section-name] not block? section-name ][ parsed-line: parse/all ini-line "=" append last current-section parsed-line/1 append last current-section parsed-line/2 ][ append ini-block current-section current-section: copy [] append current-section form section-name append/only current-section copy [] ] ;; either ] ] ;; for append ini-block current-section return to-hash ini-block ] | |
BrianH: 24-Jun-2009 | The Needs header works in R3, and is only checked on DO, not LOAD. | |
Sunanda: 9-Jul-2009 | REBOL.org just migrated from the world's slowest single server to a small load balanced cluster. Sadly, we're not superfast, but its early days yet. One cosmetic problem: we're showing the date as 6 hours out. Highly trained techies are working to resolve that. Other than that, it was a smooth move, mainly handled by the ISP. | |
Group: I'm new ... Ask any question, and a helpful person will try to answer. [web-public] | ||
Anton: 2-Apr-2006 | Good question, because the rebol.org script library will need some modification to path-thru to handle the url's with the '?' character in it. Normand, maybe you just want to change the VIEW-ROOT path within rebol. If is used by PATH-THRU, If you care to have a quick look at the source. And path-thru is used by exists-thru?, read-thru, load-thru... all the functions dealing with the public cache. | |
Tomc: 29-Jun-2006 | integer? load string | |
Group: Make-doc ... moving forward [web-public] | ||
Henrik: 11-Jan-2005 | there seems to be some things missing (how to make bold and italic?) and I can't properly process multiple documents using makedoc2. the <html>, <body> and CSS code is only included in the first one, but not subsequent ones, if I 'load-only makedoc2 and follow the example shown in the source code. | |
Group: MySQL ... [web-public] | ||
Maxim: 25-Jan-2005 | The server I am accessing is very quick and in general, it accomplishes its query in micro seconds. so its not really a question of server load... | |
Terry: 18-Feb-2005 | try this from your rebol console.. do load http://powerofq.com/start °load° "°mysqlprot°" a: read join mysql://yourName:[yourPassword-:-localhost]/yourDatabaseName "show tables" | |
Tim: 18-Feb-2005 | Here are the results: >> do load http://powerofq.com/start connecting to: powerofq.com >> load "mysqlprot" == mysqlprot a: read join mysql://tim:[password-:-localhost]/hs4u "show tables" >> a: read join mysql://tim:[password-:-localhost]/hs4u "show tables" ** Access Error: Invalid port spec: mysql://tim:[password-:-localhost]/hs4ushow tables ** Near: a: read join mysql://tim:[password-:-localhost]/hs4u "show tables" | |
Group: Linux ... [web-public] group for linux REBOL users | ||
Henrik: 3-Mar-2006 | it's a load of crap. who has the resources to go through that? and do they really expect to find security holes by doing it? | |
[unknown: 10]: 22-Mar-2006 | Its strange.. I should not be needing to run a fontserver..My desktop is already anti-aliased with fonts and so it the rest..But rebol still does not display it... mmm It does load the font though..(also when i look with an Strace during the execute rebol does read the font..) it simply does not display it ..yet! ;-) >> probe fnt1 make object! [ name: "/usr/X11R6/lib/X11/fonts/TTF/VeraMono.ttf" style: none size: 32 color: 0.0.0 offset: 2x2 space: 0x0 align: 'center valign: 'center shadow: none ] | |
Group: CGI ... web server issues [web-public] | ||
Volker: 5-Dec-2005 | 2) decode-cgi builds the data itself AFAIK. does not use load. so all data should be strings. i am not sure about words, i guess they are bound. when you only fetch the words and turn them immediate in a string, that should be ok. the usual way is construct decode-cgi that result is save, because all words are bound to that context. | |
Pekr: 16-Aug-2006 | according to Gabriele, Linux might have some default library locations ... but e.g. I run sqlite as dll, and I point rebol to load the library and it loads it from anywhere. The question is, if the same is right for executable dependant libraries | |
Gabriele: 17-Aug-2006 | petr, load/library is probably a bit different from what ldd does on startup. i suppose ldd wants current dir in the lib path to load libs from current dir (same issue as executing programs from current dir...) | |
Maarten: 22-Oct-2007 | Now, what happens? The OS will start distributing the CGI processes over the multiple cores. Using the disk cache etc to speed loading times, enough memory per core on the processor. A 8Gb RAM quadcore should be able to run +- 1000 procs/sec (rough estimate). That's just one box, with that load it should be profitable. And as you obey rule 6, you can scale up and load balance pretty easily. | |
Gregg: 23-Oct-2007 | Threads are much lighter, but not as separate. I don't know details though. On a dual core with hyper-threading on, spawning multiple processes, I can see the load is spread. | |
Maarten: 25-Nov-2007 | But yes: load-balancer -> webserver(*) -> FastCGI(*) -> MySQL | |
Maarten: 25-Nov-2007 | As a rebol process is only 10 Mb.... I can serve lots of users on cheap VPS's, load balance them, data backup in S3. No others invited until I get things stable enough. eed to ge things going | |
Pekr: 25-Nov-2007 | I don't understand it a bit. I can understand webserver, fastcgi, mysql part, but what is that load-balancer part? Client side? | |
Maarten: 25-Nov-2007 | No, before the webserver, so you scale transparantly to multiple webservers (in my scenario each webserver effectively is the load balancer for X FastCGI rebol processes; it's how nginx and lighty work) | |
Group: XML ... xml related conversations [web-public] | ||
Volker: 28-Oct-2005 | SAX is like parse. [a-tag another-tag (do-something) /a-tag]. DOM works like load does. AFAIK. | |
Volker: 28-Oct-2005 | If its more like a block of records, it would be DOM. parse<->sax, load <-> DOM. | |
Volker: 28-Oct-2005 | Thats what i understand from the overviews. Then comes how it works, and i am quickly back to real parse and load.. | |
Volker: 28-Oct-2005 | Yes, load is our tree, parse our events. Think of parse as "Here comes the word 'file. Yuppa, and a real 'file! . Good, and a 'binary!. (fine, now i store that data in that file)" | |
Volker: 28-Oct-2005 | actually that description favors DOM. First, we dont want to save memory, we are scripters. We use load too.. Second, we are not strongly typed (they mean static typed). SO we can happily be generic. | |
Sunanda: 28-Oct-2005 | True -- I'm only using it to load XML into a rebol structure for various reporting purposes. Not trying to round trip the data back to XMK after updating.. | |
Chris: 30-Oct-2005 | 3) -- xml [doc: load %file.xml elmt: doc/get-element-by-id "foo" elmt/tag-name: "p" save %file.xml doc] -- just one example of how it might work... | |
Sunanda: 1-Nov-2005 | Carl has talked several times about a binary format for saving REBOL structures (can't find any references off-hand). That would probably solve this problem as what is saved is, in effect. the internal in-memory format: useless for non-REBOL data exchange and perhaps dangerous for cross-REBOL releases data exchange, but much much faster as it'd avoid most of the parse and load that REBOL does now. | |
Christophe: 2-Nov-2005 | FYI, I have set 2 ppl working on an implementation of XPath into our XML function lib (temporary called "EasyXML"). Basically, we'll have 5 functions encapsulated into a context: 'load-xml file!, 'save-xml file!, 'get-data path! or block!, 'set-attribute string!, 'set-content string! | |
CarstenK: 7-Nov-2005 | to John (or geomol), first I've got the following error: >> my-cdoc: xml2rebxml/preserve read %short.xml ** Syntax Error: Invalid word -- --> ** Near: (line 9) --> So I replaced insert tail output load join "<!--" data with insert tail output join "<!--" data and it works fine with my files! You were right, the replacements in text nodes are only & > <. In attributes we need to escape the other 2 entities as allready done by you. | |
Geomol: 7-Nov-2005 | Carsten, I think, your removal of LOAD in the error solution, you posted, does lead to some problems. But there also is a problem with the script, as it is now. I'm doing some investigation. | |
CarstenK: 7-Nov-2005 | But if you have 10 or more you can collect them, maybe they print some report (time, errors etc.) and you avoid things like this: carstens removes a "load", it works for him, but breaks another piece of code. And often nobody writes test scripts/code. And the test scripts, if available, are always a good code base to learn how the real script should be used. I'll look into rebol-unit (but only tomorrow)... | |
Pekr: 11-Nov-2005 | hmm, couldn't we just somehow mix the aproach, so to have some streamed dom? :-) I don't like the idea of having 10MB XML interchange file to load into memory .... | |
Maxim: 12-Apr-2006 | my own when I started the project I did not have many days to "get on with it" and for various reasons all the tools I tried didn't properly load the specification I was trying to load. | |
Maxim: 12-Apr-2006 | my tool currenctly loads 1MB of xml tags in under a second. its almost as fast as load/markup. | |
Pekr: 12-Apr-2006 | does it work SAX way or DOM way? I mean - load first, then parse, or parse while reading way? | |
[unknown: 9]: 21-Apr-2006 | We have done a little in Qtask. WE save the tasks as XML (and call it XLS so that Excel can load it). We will be writing an RSS reader soon. | |
Maxim: 27-Apr-2006 | although getting XML:schema LOAD/SAVE , complete, native XML 1.0 LOAD/SAVE that would at least allow us to start using XML in the first place ;-) | |
Chris: 19-Nov-2008 | ; Usage: do http://www.ross-gill.com/r/qxml.r load-xml {<some xml="to">Try</some>} | |
Gregg: 19-Nov-2008 | ** Script Error: pop has no value ** Where: load-xml ** Near: mk: insert mk: back mk | |
Chris: 3-Dec-2008 | >> load-xml {<some xml="to">Try</some>} == [ <some> /xml "to" # "Try" ] ] | |
Chris: 3-Dec-2008 | >> load-xml "<try>This</try>" == [ <try> "This" ] | |
Chris: 3-Dec-2008 | response: context [ status: name: value: none ] example: {<rsp> <status>Good</status> <payload> <value name="one">two</value> </payload> </rsp>} probe make response [ parse load-xml example [ <rsp> into [ <status> set status ["Good" | "Bad"] <payload> into [ <value> into [ /name set name string! # set value string! ] ] ] ] ] | |
Chris: 3-Dec-2008 | do http://www.ross-gill.com/r/qdom.r doc: load-dom {<some><xml>to try</xml></some>} values: doc/get-by-tagname <xml> values/1/value = "to try" | |
Chris: 4-Dec-2008 | Ok, another revision. This has a few more methods, I may strip them down to read-only, as I don't need to manipulate the object though I left them in for completeness. >> do http://www.ross-gill.com/r/qdom.r connecting to: www.ross-gill.com Script: "QuickDOM" (none) >> doc: load-dom {<some><xml id="foo">to try</xml></some>} >> foo: doc/get-by-id "foo" >> foo/name == <xml> >> foo/value == [ /id "foo" # "to try" ] >> kids: foo/children == [make object! [ name: # value: "to try" tree: [ # "to try" ] position: [ ... >> kids/1/value == "to try" >> doc/tree/<some>/<xml>/(#) == "to try" | |
Graham: 22-Jun-2009 | format-xml: func [ xml /local out space prev ][ out: copy "" spacer: copy "" prev: copy </tag> foreach tag load/markup xml [ either tag = find tag "/" [ ; we have a close tag ; reduce the spacer by a tab unless the previous was an open tag either not tag? prev [ ; not a tag remove/part spacer 4 ][ ; is a tag if prev = find prev "/" [ ; last was a closing tag remove/part spacer 4 ] ] ][ either tag? tag [ ; current is tag ; indent only if the prev is not a closing tag if not prev = find prev "/" [ insert/dup spacer " " 4 ] ][ ; is data insert/dup spacer " " 4 ] ] repend out rejoin [ spacer tag newline ] prev: copy tag ] view layout compose [ area (out) 400x400 ] ] obj2xml: func [ obj [object!] out [string!] /local o ][ foreach element next first obj [ repend out [ to-tag element ] either object? o: get in obj element [ obj2xml o out ][ repend out any [ o copy "" ] ] repend out [ to-tag join "/" element ] ] ] | |
Group: PowerPack ... discussions about RP [web-public] | ||
Robert: 28-May-2005 | One major point wasn't said: We need a library system to handle all this. I won't use code, where I need to 'do zillions of single files in a specific order, handle path and lookup things, need local sub-directories to load images etc. I'm still using Slim on my xpeers system, because that's the only thing I know about that handles all this quite well. And I can tell you, it pays off. Something like this is required. | |
Graham: 30-Jan-2010 | So to use the power pack, we have to load the module system first .... | |
Graham: 30-Jan-2010 | I was just looking to see what I needed to use the html-filter function, and it seems I have to load the module system, and then import all stuff needed to run the html-filter ... | |
Group: PgSQL ... PostgreSQL and REBOL [web-public] | ||
Oldes: 2-Mar-2007 | but first load correct charset, for example: ucs2/load-rules "ISO-8859-1" | |
Oldes: 2-Mar-2007 | here are charset ids you can load into my scripts: print read http://box.lebeda.ws/~hmm/rebol/projects/ucs2/latest/charmaps.rb | |
MikeL: 28-Mar-2011 | The error message seems to be the problem ... the table is CREATEd and is usable from new rebol sessions which load the protocol fresh. | |
Group: Sound ... discussion about sound and audio implementation in REBOL [web-public] | ||
Rebolek: 27-Jun-2005 | snd: load http://krutek.info/rebol/sound.r view layout [ button "play" [ wav: make sound [rate: 22050 data: snd] print "make wav" ? wav sndport: open sound:// insert sndport wav print "insert sound" ? wav close sndport ] ] | |
Rebolek: 2-Feb-2006 | Anyway, it works. In the bottom row, there are six buttons. Press second button (load sound) and go to %sounds/ directory. Select a sound and open it. | |
Sunanda: 17-Jun-2008 | Can any one help me reply to this question (received via REBOL.org's feedback form)? Thanks! << Where can I find more Hex Code like in psg-ay-3-8910-study.r Please point me to a tool that I can use for development of Sound Code for the AY-3-8910 where I end up with Hex Code that I can then load into EPROMs which would drive the AY-3-8910. Thanks for any help. http://www.rebol.org/cgi-bin/cgiwrap/rebol/view-script.r?script=psg-ay-3-8910-study.r >> | |
amacleod: 15-Mar-2009 | Any reason I can play pre-recorded .wav files but if try to make my own they do not work: ** Access Error: Bad image data ** Where: narrate ** Near: insert sound-port load talk | |
Steeve: 21-Apr-2009 | you have to load a wav sample | |
Anton: 21-Apr-2009 | Oldes, thanks. Do this load-thru/update http://anton.wildit.net.au/rebol/os/make-external-library-interface.r then try again. | |
Group: Rebol School ... Rebol School [web-public] | ||
BrianH: 4-Apr-2006 | denismx, when I've taught REBOL to people, even people who are already familiar with other programming languages, it has been helpful to make the distinction between the REBOL language and the dialect engines. REBOL is really a data model and related syntax, and a bundle of library functions that manipulate data in this model. A dialect is really a semantic model for interpreting this data, like what people think of as a language in real life. A dialect engine is a set of library functions that think of the data in the same way - I know this sounds anthropomorphic, but it makes it easier to explain REBOL if you think of the different dialect engines as entities that are acting on a set of commands you are giving them. You can even use role playing to demonstrate this, having one of your students act out the part. It also helps to name each of these models after the main function that implements them - otherwise people might not get the distinction between them and REBOL as a whole. There are some functions that only deal with the REBOL data model and don't really do anything with the data other than translate it from or to some concrete syntax. It is best to group these functions by the syntax they implement - the group that implements what people normally think of as the REBOL syntax is LOAD, SAVE and MOLD. When teaching REBOL dialects I usually start with what I call the DO engine, what people normally think of as the REBOL language. DO is a stack machine like Forth, but it uses a prefix syntax to make it easier to use (by making DO dialect code more resemble that in other programming languages). DO also does a simple swapping hack to implement inline operators, which you will have to demonstrate so that your students will understand DO's operator precedence or lack thereof. DO always works on REBOL data: If you pass it a string or file that contains REBOL syntax code, DO will call LOAD to convert it to REBOL data - this is an important distinction to make so that your students can distinguish between the data and the processor of that data. There are many functions that depend on DO to interpret their blocks of "code", such as IF, WHILE, FOR, etc. It is important to note that these are just functions, not "syntax". DO's only syntax is the predefined operators that DO swaps (these are effectively keywords because of how the swap is implemented), the word/set-word/get-word difference, the interpretation of paths and the precedence of parens. Everything else is a function. There is also the PARSE engine, a rule-based recursive-decent parser with limited backtracking, that implements three dialects (simple parse, string parse and block parse). These dialects actually have keywords, as well as an entirely different execution model. Also, there is the View engine, which implements the LAYOUT and DRAW dialects. Refering to these engines as state machines isn't helpful, because the distinctions between their execution models, or whether they even have execution models, is important for distinguishing between them. You need to use the higher-level terms like stack machine, composition engine and such. I hope this helps! | |
denismx: 19-Apr-2006 | Actually, since Von Neuman, code is treated as data. You load it into memory and process is as a special kind of data. | |
Anton: 22-Apr-2006 | Ok, so here's my frequency table: 6 compose 5 as-pair 5 func 4 do 3 show 2 all 2 copy 2 find 2 form 2 get 2 in 2 pick 2 print 2 to-image 2 use 1 * 1 + 1 - 1 <> 1 = 1 append 1 bind 1 center-face 1 change 1 clear 1 context 1 do-events 1 either 1 first 1 foreach 1 if 1 join 1 layout 1 load-thru 1 make 1 mold 1 object? 1 reduce 1 remold 1 remove-each 1 repeat 1 second 1 select 1 to-pair 1 to-path 1 view | |
Anton: 5-May-2006 | read file --> string load file --> block | |
Anton: 5-May-2006 | Strings and blocks are both series, so first, next find etc work on both, but when you load you get a block and the units are values. When you read, you have a string and the units are characters. | |
Anton: 5-May-2006 | When you load, the file has to be LOADable by rebol, which means everything in it must be parseable into rebol values. When you read, the file can be absolutely anything. I usually have to read web pages and parse a string, for instance. | |
Group: RT Q&A ... [RT Q&A] Questions and Answers to REBOL Technologies [web-public] | ||
Gabriele: 11-Dec-2005 | Q: (note - my view may be influenced by insufficient knowledge in the area given) - last weeks I played with wrapping some Win32 functions. I started discussion on dll.so channel, to ask developers, if they would enhance interfacing to C libraries in some way, and there was few ideas appearing. We currently have also rather strange callbacks support (limited to 16) and I would like to ask, taking into account that DLL interface in Rebol was not changed/enhanced since it appeared long time ago, if RT sees any area in which it could be made more robust, developers friendly etc.? A: We are planning to do a lot more on DLLs. In fact, future versions of REBOL will expand on the way DLLs are used in REBOL. For example, I would like to see DLL support for media loaders and savers, so if we do not directly support a specific type of media file (say, TIFF) then an external DLL can be provided to load it. There are a few other DLL related features down the road, but it is still a bit early to talk about them. Q: I realize that the open sourcing of the viewtop wasn't that successful, but do you still intend to keep releasing newer versions of it? AFAIK the current release is over a year old. I've experienced a lot of obvious bugs in the viewtop editor, which I think can easily be solved by people outside RT. A: yes we will continue to release newer versions. View 1.3.2 fixed a number of bugs in the Viewtop editor that were listed in on RAMBO. Any fixes and enhancements from the community are greatly appreciated (by everyone, not only RT!) You can post them to RAMBO, and we will review and include them (if they look good). Q: While reviewing the action! functions, I noticed the path action. The doc comment says "Path selection.". The parameters aren't typed. Does anyone know what this action does, and how to use it? Or whether it can be or should be called directly at all? A: the PATH action is what the interpreter uses to evaluate VALUE/selector expressions for each datatype. It is an internal action and has no external purpose in programs. These kinds of words often appear as a sort of "side-effect" from how REBOL is structured. Datatypes are implemented as a sort of object class, where the interpreter "sends messages" to the class to evaluate expressions. The PATH action is a message that tells the datatype to perform a pick-like or poke-like internal function. Q: Is rebcode going to support paths and/or some kind of binding? A: Certain rebcode can support anything we feel is important to put into it, but note: many things we add could slow it down, by a lot. For example, if we were to allow paths as variables, I estimate that rebcode would be about two times slower than it is now. Perhaps one way to solve this issue is for you to use COMPOSE prior to specifying your rebcode body. Within the compose, you can use IN object 'word to "pre-compute" the context references for words. For example: add.i (in object 'num) 10 Your question about binding is not clear to me. Rebcode already supports binding. Your rebcode can be part of an object context, and rebcode function words are bound to the code context. (Perhaps you are referring to an older bug that has since been fixed?) Q: What do you think about http://mail.rebol.net/maillist/msgs/39493.html ? Why not say a word in your blog, if you think that it's interessant for rebol developpment, and if you want to contact them ? A: Recently, I had the chance to sit down and talk with one of the main people from the One Laptop Per Child project (he is a friend of mine from Apple Computer days). The project has an interesting goal, but there are also many difficult issues around it (not just in the technical side, but also on the social and cultural sides). My current understanding is that the target software is Smalltalk based. Yes, it would be very interesting to allow REBOL on that system, but if you look at the list of principals for the project, you will see that such a revolution is unlikely. Is it possible that perhaps REBOL could provide some additional capability in the future? I think so. We have some special plans that I think will bring REBOL to platforms like that in the future. But, this is too early to say more. Q: 1. What is fixed/added in 2.6.2/1.3.2 (change-log, please) ? 2. What is planned for 1.4.0 (rebcode, rebservices, rich-text, RIF, and last but not least, fixed sound ...) ? 3. When can we expect 1.4.0 ? Thanks. A: 1. Gregg is preparing a summary. The document should be available this week. 2. We are evaluating a large variety of changes in REBOL, more than even the 1.4 release that we've talked about. I hope to be able to say more about these plans soon. | |
Group: Windows/COM Support ... [web-public] | ||
Anton: 4-Dec-2005 | Yes ... I could publish it, as now it is pretty much the same interface as Ben's. However, I plan to totally rearrange all that (probably), so my distro will be hard to keep up with for a while... Mmm... what to do... Work faster I suppose.. :) I *could* release this version and fork again for future rearrangements, but I am not keen to double the work-load... | |
Group: !Liquid ... any questions about liquid dataflow core. [web-public] | ||
Pekr: 7-May-2007 | I wonder if other languages could benefit from View? I know they have e.g. wxWidgets, but not sure how easy would it be to integrate? Maybe with R3 as a whole, pythonists can link/load "rebol library" to do so :-) View simply needs rebol interpreter ... | |
Group: Games ... talk about using REBOL for games [web-public] | ||
ICarii: 4-Jun-2007 | timer/load/save game are done - just trying to see how I should do the scoring - whether there are penalties for shuffling, undo etc | |
ICarii: 5-Jun-2007 | Mahjong updated with save/load, scoring, timer, fixed ricebowl map and other general craziness. http://rebol.mustard.co.nz/mahjong.zip or http://rebol.mustard.co.nz/mahjong.rif you dont care about the bad ricebowl.map | |
ICarii: 5-Jun-2007 | save/load does NOT currently save score/timer - ill fix that tomorrow | |
ICarii: 5-Jun-2007 | if i can get them to load - im getting 404 errors here |
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