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author | Michael Drake <tlsa@netsurf-browser.org> | 2010-08-26 17:29:02 +0000 |
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committer | Michael Drake <tlsa@netsurf-browser.org> | 2010-08-26 17:29:02 +0000 |
commit | 175bb0344ceccf7f6779c4bc957b86dd895faa07 (patch) | |
tree | 8d4052cee1664cf2a00949180db380004db38e79 /render | |
parent | bbbbdd4d80e2f45c9d9fc685062ef4015d034098 (diff) | |
download | netsurf-175bb0344ceccf7f6779c4bc957b86dd895faa07.tar.gz netsurf-175bb0344ceccf7f6779c4bc957b86dd895faa07.tar.bz2 |
Move directory listing HTML generation functions into separate module.
svn path=/trunk/netsurf/; revision=10715
Diffstat (limited to 'render')
-rw-r--r-- | render/directory.c | 371 |
1 files changed, 1 insertions, 370 deletions
diff --git a/render/directory.c b/render/directory.c index ac27d9cbb..cdffdd0f1 100644 --- a/render/directory.c +++ b/render/directory.c @@ -31,6 +31,7 @@ #include <sys/stat.h> #include <time.h> #include "content/content_protected.h" +#include "content/dirlist.h" #include "content/fetch.h" #include "render/directory.h" #include "render/html.h" @@ -40,376 +41,6 @@ #define MAX_LENGTH 2048 -#define NO_NAME_COLUMN 1 -#define NO_TYPE_COLUMN 1 << 1 -#define NO_SIZE_COLUMN 1 << 2 -#define NO_DATE_COLUMN 1 << 3 -#define NO_TIME_COLUMN 1 << 4 - -static const char footer[] = "</div>\n</body>\n</html>\n"; - -static const char* dirlist_generate_top(void); -static bool dirlist_generate_hide_columns(int flags, char *buffer, - int buffer_length); -static bool dirlist_generate_title(char *title, char *buffer, - int buffer_length); -static bool dirlist_generate_parent_link(char *parent, char *buffer, - int buffer_length); -static bool dirlist_generate_headings(char *buffer, int buffer_length); -static bool dirlist_generate_row(bool even, bool directory, char *url, - char *name, char *type, long long size, char *date, - char *time, char *buffer, int buffer_length); -static const char* dirlist_generate_bottom(void); - -static int dirlist_filesize_calculate(unsigned long *bytesize); -static int dirlist_filesize_value(unsigned long bytesize); -static char* dirlist_filesize_unit(unsigned long bytesize); - - -/** - * Generates the top part of an HTML directroy listing page - * - * \return Top of directory listing HTML - * - * This is part of a series of functions. To generate a complete page, - * call the following functions in order: - * - * dirlist_generate_top() - * dirlist_generate_hide_columns() -- optional - * dirlist_generate_title() - * dirlist_generate_parent_link() -- optional - * dirlist_generate_headings() - * dirlist_generate_row() -- call 'n' times for 'n' rows - * dirlist_generate_bottom() - */ - -const char* dirlist_generate_top(void) -{ - return "<html>\n" - "<head>\n" - "<style>\n" - "html, body { margin: 0; padding: 0; }\n" - "body { background-color: #abf; }\n" - "h1 { padding: 5mm; margin: 0; " - "border-bottom: 2px solid #bcf; }\n" - "p { padding: 2px 5mm; margin: 0; }\n" - "div { display: table; width: 94%; margin: 5mm auto 0 auto; " - "padding: 0; }\n" - "a, strong { display: table-row; margin: 0; padding: 0; }\n" - "a.odd { background-color: #bcf; }\n" - "a.even { background-color: #b2c3ff; }\n" - "span { display: table-cell; }\n" - "em > span { padding-bottom: 1px; }\n" - "a + a>span { border-top: 1px solid #9af; }\n" - "span.name { padding-left: 22px; min-height: 19px;}\n" - "a.dir > span.name { font-weight: bold; }\n" - "a.dir > span.type { font-weight: bold; }\n" - "span.size { text-align: right; padding-right: 0.3em; }\n" - "span.size + span.size { text-align: left; " - "padding-right: 0; }\n"; -} - - -/** - * Generates the part of an HTML directory listing page that can suppress - * particular columns - * - * \param flags flags for which cols to suppress. 0 to suppress none - * \param buffer buffer to fill with generated HTML - * \param buffer_length maximum size of buffer - * \return true iff buffer filled without error - * - * This is part of a series of functions. To generate a complete page, - * call the following functions in order: - * - * dirlist_generate_top() - * dirlist_generate_hide_columns() -- optional - * dirlist_generate_title() - * dirlist_generate_parent_link() -- optional - * dirlist_generate_headings() - * dirlist_generate_row() -- call 'n' times for 'n' rows - * dirlist_generate_bottom() - */ - -bool dirlist_generate_hide_columns(int flags, char *buffer, int buffer_length) -{ - int error = snprintf(buffer, buffer_length, - "%s\n%s\n%s\n%s\n%s\n", - (flags & NO_NAME_COLUMN) ? - "span.name { display: none; }\n" : "", - (flags & NO_TYPE_COLUMN) ? - "span.type { display: none; }\n" : "", - (flags & NO_SIZE_COLUMN) ? - "span.size { display: none; }\n" : "", - (flags & NO_DATE_COLUMN) ? - "span.date { display: none; }\n" : "", - (flags & NO_TIME_COLUMN) ? - "span.time { display: none; }\n" : ""); - if (error < 0 || error >= buffer_length) - /* Error or buffer too small */ - return false; - else - /* OK */ - return true; -} - - -/** - * Generates the part of an HTML directory listing page that contains the title - * - * \param title title to use - * \param buffer buffer to fill with generated HTML - * \param buffer_length maximum size of buffer - * \return true iff buffer filled without error - * - * This is part of a series of functions. To generate a complete page, - * call the following functions in order: - * - * dirlist_generate_top() - * dirlist_generate_hide_columns() -- optional - * dirlist_generate_title() - * dirlist_generate_parent_link() -- optional - * dirlist_generate_headings() - * dirlist_generate_row() -- call 'n' times for 'n' rows - * dirlist_generate_bottom() - */ - -bool dirlist_generate_title(char *title, char *buffer, int buffer_length) -{ - int error = snprintf(buffer, buffer_length, - "</style>\n" - "<title>%s</title>\n" - "</head>\n" - "<body>\n" - "<h1>%s</h1>\n", - title, title); - if (error < 0 || error >= buffer_length) - /* Error or buffer too small */ - return false; - else - /* OK */ - return true; -} - - -/** - * Generates the part of an HTML directory listing page that links to the parent - * directory - * - * \param parent url of parent directory - * \param buffer buffer to fill with generated HTML - * \param buffer_length maximum size of buffer - * \return true iff buffer filled without error - * - * This is part of a series of functions. To generate a complete page, - * call the following functions in order: - * - * dirlist_generate_top() - * dirlist_generate_hide_columns() -- optional - * dirlist_generate_title() - * dirlist_generate_parent_link() -- optional - * dirlist_generate_headings() - * dirlist_generate_row() -- call 'n' times for 'n' rows - * dirlist_generate_bottom() - */ - -bool dirlist_generate_parent_link(char *parent, char *buffer, int buffer_length) -{ - int error = snprintf(buffer, buffer_length, - "<p><a href=\"%s\">%s</a></p>", - parent, messages_get("FileParent")); - if (error < 0 || error >= buffer_length) - /* Error or buffer too small */ - return false; - else - /* OK */ - return true; -} - - -/** - * Generates the part of an HTML directory listing page that displays the column - * headings - * - * \param buffer buffer to fill with generated HTML - * \param buffer_length maximum size of buffer - * \return true iff buffer filled without error - * - * This is part of a series of functions. To generate a complete page, - * call the following functions in order: - * - * dirlist_generate_top() - * dirlist_generate_hide_columns() -- optional - * dirlist_generate_title() - * dirlist_generate_parent_link() -- optional - * dirlist_generate_headings() - * dirlist_generate_row() -- call 'n' times for 'n' rows - * dirlist_generate_bottom() - */ - -bool dirlist_generate_headings(char *buffer, int buffer_length) -{ - int error = snprintf(buffer, buffer_length, - "<div>\n<strong>" - "<span class=\"name\">%s</span> " - "<span class=\"type\">%s</span> " - "<span class=\"size\">%s</span>" - "<span class=\"size\"></span> " - "<span class=\"date\">%s</span> " - "<span class=\"time\">%s</span></strong>\n", - messages_get("FileName"), messages_get("FileType"), - messages_get("FileSize"), messages_get("FileDate"), - messages_get("FileTime")); - if (error < 0 || error >= buffer_length) - /* Error or buffer too small */ - return false; - else - /* OK */ - return true; -} - - -/** - * Generates the part of an HTML directory listing page that displays a row - * in the directory contents table - * - * \param even evenness of row number, for alternate row colouring - * \param directory whether this row is for a directory (or a file) - * \param url url for row entry - * \param name name of row entry - * \param type MIME type of row entry - * \param size size of row entry. If negative, size is left blank - * \param date date row entry was last modified - * \param time time row entry was last modified - * \param buffer buffer to fill with generated HTML - * \param buffer_length maximum size of buffer - * \return true iff buffer filled without error - * - * This is part of a series of functions. To generate a complete page, - * call the following functions in order: - * - * dirlist_generate_top() - * dirlist_generate_hide_columns() -- optional - * dirlist_generate_title() - * dirlist_generate_parent_link() -- optional - * dirlist_generate_headings() - * dirlist_generate_row() -- call 'n' times for 'n' rows - * dirlist_generate_bottom() - */ - -bool dirlist_generate_row(bool even, bool directory, char *url, char *name, - char *type, long long size, char *date, char *time, - char *buffer, int buffer_length) -{ - const char *unit; - char size_string[100]; - int error; - - if (size < 0) { - unit = ""; - strncpy(size_string, "", sizeof size_string); - } else { - unit = messages_get(dirlist_filesize_unit((unsigned long)size)); - snprintf(size_string, sizeof size_string, "%d", - dirlist_filesize_value((unsigned long)size)); - } - - error = snprintf(buffer, buffer_length, - "<a href=\"%s\" class=\"%s %s\">" - "<span class=\"name\">%s</span> " - "<span class=\"type\">%s</span> " - "<span class=\"size\">%s</span>" - "<span class=\"size\">%s</span> " - "<span class=\"date\">%s</span> " - "<span class=\"time\">%s</span></a>\n", - url, even ? "even" : "odd", - directory ? "dir" : "file", - name, type, size_string, unit, date, time); - if (error < 0 || error >= buffer_length) - /* Error or buffer too small */ - return false; - else - /* OK */ - return true; -} - - -/** - * Generates the bottom part of an HTML directroy listing page - * - * \return Bottom of directory listing HTML - * - * This is part of a series of functions. To generate a complete page, - * call the following functions in order: - * - * dirlist_generate_top() - * dirlist_generate_hide_columns() -- optional - * dirlist_generate_title() - * dirlist_generate_parent_link() -- optional - * dirlist_generate_headings() - * dirlist_generate_row() -- call 'n' times for 'n' rows - * dirlist_generate_bottom() - */ - -const char* dirlist_generate_bottom(void) -{ - return "</div>\n" - "</body>\n" - "</html>\n"; -} - - -/** - * Obtain display value and units for filesize after conversion to B/kB/MB/GB, - * as appropriate. - * - * \param bytesize file size in bytes, updated to filesize in output units - * \return number of times bytesize has been divided by 1024 - */ - -int dirlist_filesize_calculate(unsigned long *bytesize) -{ - int i = 0; - while (*bytesize > 1024 * 4) { - *bytesize /= 1024; - i++; - if (i == 3) - break; - } - return i; -} - - -/** - * Obtain display value for filesize after conversion to B/kB/MB/GB, - * as appropriate - * - * \param bytesize file size in bytes - * \return Value to display for file size, in units given by filesize_unit() - */ - -int dirlist_filesize_value(unsigned long bytesize) -{ - dirlist_filesize_calculate(&bytesize); - return (int)bytesize; -} - - -/** - * Obtain display units for filesize after conversion to B/kB/MB/GB, - * as appropriate - * - * \param bytesize file size in bytes - * \return Units to display for file size, for value given by filesize_value() - */ - -char* dirlist_filesize_unit(unsigned long bytesize) -{ - const char* units[] = { "Bytes", "kBytes", "MBytes", "GBytes" }; - return (char*)units[dirlist_filesize_calculate(&bytesize)]; -} - - bool directory_create(struct content *c, const struct http_parameter *params) { if (!html_create(c, params)) /* html_create() must have broadcast MSG_ERROR already, so we |