General html support, Table support, Forms support – Comtrol eCos User Manual
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Chapter 48. Embedded HTTP Server
The macro
html_begin()
generates an HTTP header with a "text/html" content type followed by an opening
"<html>" tag.
html_end()
generates a closing "</html>" tag and calls
cyg_http_finish()
.
General HTML Support
void cyg_html_tag_begin( FILE *client, char *tag, char *attr );
void cyg_html_tag_end( FILE *client, char *tag );
#define html_tag_begin( __client, __tag, __attr )
#define html_tag_end( __client, __tag )
#define html_head( __client, __title, __meta )
#define html_body_begin( __client, __attr )
#define html_body_end( __client )
#define html_heading( __client, __level, __heading )
#define html_para_begin( __client, __attr )
#define html_url( __client, __text, __link )
#define html_image( __client, __source, __alt, __attr )
The function
cyg_html_tag_begin()
generates an opening tag with the given name. The function
cyg_html_tag_end()
generates a closing tag with the given name. The macros
html_tag_begin()
and
html_tag_end
are just wrappers for these functions.
The macro
html_head()
generates an HTML header section with
__title
as the title. The
__meta
argument
defines any meta tags that will be inserted into the header.
html_body_begin()
and
html_body_end
generate
HTML body begin and end tags.
html_heading()
generates a complete HTML header where
__level
is a numerical level, between 1 and 6, and
__heading
is the heading text.
html_para_begin()
generates a paragraph break.
html_url()
inserts a URL where
__text
is the displayed text and
__link
is the URL of the linked page.
html_image()
inserts an image tag where
__source
is the URL of the image to be included and
__alt
is the
alternative text for when the image is not displayed.
Table Support
#define html_table_begin( __client, __attr )
#define html_table_end( __client )
#define html_table_header( __client, __content, __attr )
#define html_table_row_begin( __client, __attr )
#define html_table_row_end( __client )
#define html_table_data_begin( __client, __attr )
#define html_table_data_end( __client )
html_table_begin()
starts a table and
html_table_end()
end it.
html_table_header()
generates a simple
table column header containg the string
__content
.
html_table_row_begin()
and
html_table_row_end()
begin and end a table row, and similarly
html_table_data_begin()
and
html_table_data_end()
begin and end a table entry.
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