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Reorganized web page attribute data handling.

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- Up to now the web browser used several fixed size arrays to hold the various types attribute data of the web page. This turned out to be way to inflexible for any non-trivial web page. Therefore now all attribute data is stored in a single buffer one after the other as they arrive from the parser only occupying the memory actually needed. This allows for pages with many links with rather short URLs as well as pages with few link with long URLs as well as pages with several simple forms as well as pages with one form with many form inputs.

- Using the actual web page buffer to hold the text buffers of text entry fields was in general a cool idea but in reality it  is often necessary to enter text longer than the size of the text entry field. Therefore the text buffer is now stored in the new unified attribute data buffer.

- Splitting up the process of canonicalizing a link URL and actually navigating to the resulting URL allowed to get rid of the 'tmpurl' buffer used during form submit. Now the form action is canonicalized like a usual link, then the form input name/value pairs are written right into the 'url' buffer and afterwards the navigation is triggered.

- Support for the 'render states' was completely removed. The only actually supported render state was centered output. The new unified attribute buffer would have complicated enumerating all widgets added to the page in order to adjust their position. Therefore I decided to drop the whole feature as the <center> tag is barely used anymore and newer center attributes are to hard to parse.
This commit is contained in:
Oliver Schmidt 2013-03-06 16:29:36 +01:00
parent cdb16c02fa
commit c7b8bac006
11 changed files with 313 additions and 451 deletions
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20
apps/webbrowser/www.h
View file

@ -41,31 +41,25 @@
#define WWW_CONF_WEBPAGE_HEIGHT 20
#endif
#ifndef WWW_CONF_HISTORY_SIZE
#define WWW_CONF_HISTORY_SIZE 40
#define WWW_CONF_HISTORY_SIZE 10
#endif
#ifndef WWW_CONF_MAX_URLLEN
#define WWW_CONF_MAX_URLLEN 200
#define WWW_CONF_MAX_URLLEN 300
#endif
#ifndef WWW_CONF_MAX_NUMPAGEWIDGETS
#define WWW_CONF_MAX_NUMPAGEWIDGETS 20
#endif
#ifndef WWW_CONF_RENDERSTATE
#define WWW_CONF_RENDERSTATE 1
#ifndef WWW_CONF_PAGEATTRIB_SIZE
#define WWW_CONF_PAGEATTRIB_SIZE 2000
#endif
#ifndef WWW_CONF_FORMS
#define WWW_CONF_FORMS 1
#endif
#ifndef WWW_CONF_MAX_FORMACTIONLEN
#define WWW_CONF_MAX_FORMACTIONLEN 200
#endif
#ifndef WWW_CONF_MAX_FORMNAMELEN
#define WWW_CONF_MAX_FORMNAMELEN 200
#define WWW_CONF_MAX_FORMACTIONLEN 150
#endif
#ifndef WWW_CONF_MAX_INPUTNAMELEN
#define WWW_CONF_MAX_INPUTNAMELEN 200
#define WWW_CONF_MAX_INPUTNAMELEN 50
#endif
#ifndef WWW_CONF_MAX_INPUTVALUELEN
#define WWW_CONF_MAX_INPUTVALUELEN 200
#define WWW_CONF_MAX_INPUTVALUELEN 100
#endif
PROCESS_NAME(www_process);