X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fhtml.c;h=4fd23184ec37e21def2d34c793a9aa21655c37fe;hb=b7994155882996ee11fb1b6b044c429b0d2f8a44;hp=d943f192aa3a63c93800599fc1099f71da05979c;hpb=e0c37920bb2cc46ee559e3992470572d4b4d27e6;p=pspp diff --git a/src/output/html.c b/src/output/html.c index d943f192aa..4fd23184ec 100644 --- a/src/output/html.c +++ b/src/output/html.c @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 1997-9, 2000, 2009 Free Software Foundation, Inc. + Copyright (C) 1997-9, 2000, 2009, 2010 Free Software Foundation, Inc. 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 @@ -15,8 +15,7 @@ along with this program. If not, see . */ #include -#include "chart.h" -#include "htmlP.h" + #include #include #include @@ -24,14 +23,21 @@ #include #include -#include -#include -#include -#include -#include -#include -#include -#include +#include "data/file-name.h" +#include "libpspp/assertion.h" +#include "libpspp/cast.h" +#include "libpspp/compiler.h" +#include "libpspp/message.h" +#include "libpspp/version.h" +#include "output/cairo.h" +#include "output/chart-item.h" +#include "output/driver-provider.h" +#include "output/message-item.h" +#include "output/options.h" +#include "output/output-item-provider.h" +#include "output/table-provider.h" +#include "output/table-item.h" +#include "output/text-item.h" #include "error.h" #include "xalloc.h" @@ -39,66 +45,139 @@ #include "gettext.h" #define _(msgid) gettext (msgid) -/* HTML driver options: (defaults listed first) +struct html_driver + { + struct output_driver driver; + + char *file_name; + char *chart_file_name; - output-file="pspp.html" - chart-files="pspp-#.png" -*/ + char *command_name; + FILE *file; + size_t chart_cnt; + bool in_syntax; + }; + +static const struct output_driver_class html_driver_class; + +static void html_output_table (struct html_driver *, struct table_item *); static void escape_string (FILE *file, const char *text, size_t length, const char *space); -static bool handle_option (void *this, - const char *key, const struct string *val); static void print_title_tag (FILE *file, const char *name, const char *content); -static bool -html_open_driver (const char *name, int types, struct substring options) +static struct html_driver * +html_driver_cast (struct output_driver *driver) { - struct outp_driver *this; - struct html_driver_ext *x; - - this = outp_allocate_driver (&html_class, name, types); - this->ext = x = xmalloc (sizeof *x); - x->file_name = xstrdup ("pspp.html"); - x->chart_file_name = xstrdup ("pspp-#.png"); - x->file = NULL; - x->chart_cnt = 1; + assert (driver->class == &html_driver_class); + return UP_CAST (driver, struct html_driver, driver); +} - outp_parse_options (name, options, handle_option, this); +static struct driver_option * +opt (struct output_driver *d, struct string_map *options, const char *key, + const char *default_value) +{ + return driver_option_get (d, options, key, default_value); +} - x->file = fn_open (x->file_name, "w"); - if (x->file == NULL) +static struct output_driver * +html_create (const char *file_name, enum settings_output_devices device_type, + struct string_map *o) +{ + struct output_driver *d; + struct html_driver *html; + + html = xzalloc (sizeof *html); + d = &html->driver; + output_driver_init (&html->driver, &html_driver_class, file_name, + device_type); + + html->file_name = xstrdup (file_name); + html->chart_file_name = parse_chart_file_name (opt (d, o, "charts", + file_name)); + html->file = NULL; + html->chart_cnt = 1; + + html->file = fn_open (html->file_name, "w"); + if (html->file == NULL) { - error (0, errno, _("opening HTML output file: %s"), x->file_name); + error (0, errno, _("error opening output file \"%s\""), html->file_name); goto error; } fputs ("\n", x->file); - fputs ("\n", x->file); - fputs ("\n", x->file); - /* The tag is required, so we use a default if the user - didn't provide one. */ - print_title_tag (x->file, - "TITLE", outp_title ? outp_title : _("PSPP Output")); - fprintf (x->file, "<META NAME=\"generator\" CONTENT=\"%s\">\n", version); + " \"http://www.w3.org/TR/html4/loose.dtd\">\n", html->file); + fputs ("<HTML>\n", html->file); + fputs ("<HEAD>\n", html->file); + print_title_tag (html->file, "TITLE", _("PSPP Output")); + fprintf (html->file, "<META NAME=\"generator\" CONTENT=\"%s\">\n", version); + fputs ("<META http-equiv=\"Content-Style-Type\" content=\"text/css\">\n", + html->file); fputs ("<META HTTP-EQUIV=\"Content-Type\" " - "CONTENT=\"text/html; charset=ISO-8859-1\">\n", x->file); - fputs ("</HEAD>\n", x->file); - fputs ("<BODY BGCOLOR=\"#ffffff\" TEXT=\"#000000\"\n", x->file); - fputs (" LINK=\"#1f00ff\" ALINK=\"#ff0000\" VLINK=\"#9900dd\">\n", x->file); - print_title_tag (x->file, "H1", outp_title); - print_title_tag (x->file, "H2", outp_subtitle); - - outp_register_driver (this); - return true; + "CONTENT=\"text/html; charset=utf-8\">\n", html->file); + fputs ("<STYLE>\n" + "<!--\n" + "body {\n" + " background: white;\n" + " color: black;\n" + " padding: 0em 12em 0em 3em;\n" + " margin: 0\n" + "}\n" + "body>p {\n" + " margin: 0pt 0pt 0pt 0em\n" + "}\n" + "body>p + p {\n" + " text-indent: 1.5em;\n" + "}\n" + "h1 {\n" + " font-size: 150%;\n" + " margin-left: -1.33em\n" + "}\n" + "h2 {\n" + " font-size: 125%;\n" + " font-weight: bold;\n" + " margin-left: -.8em\n" + "}\n" + "h3 {\n" + " font-size: 100%;\n" + " font-weight: bold;\n" + " margin-left: -.5em }\n" + "h4 {\n" + " font-size: 100%;\n" + " margin-left: 0em\n" + "}\n" + "h1, h2, h3, h4, h5, h6 {\n" + " font-family: sans-serif;\n" + " color: blue\n" + "}\n" + "html {\n" + " margin: 0\n" + "}\n" + "code {\n" + " font-family: sans-serif\n" + "}\n" + "table {\n" + " border-collapse: collapse;\n" + " margin-bottom: 1em\n" + "}\n" + "th { background: #dddddd; font-weight: normal; font-style: oblique }\n" + "caption {\n" + " text-align: left\n" + "}\n" + "-->\n" + "</STYLE>\n", + html->file); + fputs ("</HEAD>\n", html->file); + fputs ("<BODY BGCOLOR=\"#ffffff\" TEXT=\"#000000\"\n", html->file); + fputs (" LINK=\"#1f00ff\" ALINK=\"#ff0000\" VLINK=\"#9900dd\">\n", html->file); + + return d; error: - this->class->close_driver (this); - outp_free_driver (this); - return false; + output_driver_destroy (d); + return NULL; } /* Emits <NAME>CONTENT</NAME> to the output, escaping CONTENT as @@ -114,133 +193,141 @@ print_title_tag (FILE *file, const char *name, const char *content) } } -static bool -html_close_driver (struct outp_driver *this) +static void +html_destroy (struct output_driver *driver) { - struct html_driver_ext *x = this->ext; - bool ok; + struct html_driver *html = html_driver_cast (driver); - if (x->file != NULL) + if (html->file != NULL) { - fprintf (x->file, + if (html->in_syntax) + { + fprintf (html->file, "</PRE>\n"); + html->in_syntax = false; + } + fprintf (html->file, "</BODY>\n" "</HTML>\n" "<!-- end of file -->\n"); - ok = fn_close (x->file_name, x->file) == 0; - x->file = NULL; + fn_close (html->file_name, html->file); } - else - ok = true; - free (x->chart_file_name); - free (x->file_name); - free (x); + free (html->chart_file_name); + free (html->file_name); + free (html->command_name); + free (html); +} - return ok; +static bool +is_syntax_item (const struct output_item *item) +{ + return (is_text_item (item) + && text_item_get_type (to_text_item (item)) == TEXT_ITEM_SYNTAX); } -/* Link the image contained in FILE_NAME to the - HTML stream in FILE. */ static void -link_image (FILE *file, char *file_name) +html_submit (struct output_driver *driver, + const struct output_item *output_item) { - fprintf (file, "<IMG SRC=\"%s\"/>", file_name); - } + struct html_driver *html = html_driver_cast (driver); -/* Generic option types. */ -enum - { - string_arg, - nonneg_int_arg - }; + output_driver_track_current_command (output_item, &html->command_name); -/* All the options that the HTML driver supports. */ -static const struct outp_option option_tab[] = - { - {"output-file", string_arg, 0}, - {"chart-files", string_arg, 1}, - {NULL, 0, 0}, - }; + if (html->in_syntax && !is_syntax_item (output_item)) + { + fprintf (html->file, "</PRE>\n"); + html->in_syntax = false; + } -static bool -handle_option (void *this_, const char *key, const struct string *val) -{ - struct outp_driver *this = this_; - struct html_driver_ext *x = this->ext; - int subcat; + if (is_table_item (output_item)) + { + struct table_item *table_item = to_table_item (output_item); + html_output_table (html, table_item); + } +#ifdef HAVE_CAIRO + else if (is_chart_item (output_item) && html->chart_file_name != NULL) + { + struct chart_item *chart_item = to_chart_item (output_item); + char *file_name; - switch (outp_match_keyword (key, option_tab, &subcat)) + file_name = xr_draw_png_chart (chart_item, html->chart_file_name, + html->chart_cnt++); + if (file_name != NULL) + { + fprintf (html->file, "<IMG SRC=\"%s\"/>", file_name); + free (file_name); + } + } +#endif /* HAVE_CAIRO */ + else if (is_text_item (output_item)) { - case -1: - error (0, 0, - _("unknown configuration parameter `%s' for HTML device driver"), - key); - break; - case string_arg: - switch (subcat) + struct text_item *text_item = to_text_item (output_item); + const char *s = text_item_get_text (text_item); + + switch (text_item_get_type (text_item)) { - case 0: - free (x->file_name); - x->file_name = ds_xstrdup (val); + case TEXT_ITEM_TITLE: + print_title_tag (html->file, "H1", s); + break; + + case TEXT_ITEM_SUBTITLE: + print_title_tag (html->file, "H2", s); + break; + + case TEXT_ITEM_COMMAND_OPEN: + fprintf (html->file, "<DIV class=\""); + escape_string (html->file, s, strlen (s), "_"); + fprintf (html->file, "\">"); + print_title_tag (html->file, "H3", s); break; - case 1: - if (ds_find_char (val, '#') != SIZE_MAX) + + case TEXT_ITEM_COMMAND_CLOSE: + fprintf (html->file, "</DIV>\n"); + break; + + case TEXT_ITEM_SUBHEAD: + print_title_tag (html->file, "H4", s); + break; + + case TEXT_ITEM_SYNTAX: + if (!html->in_syntax) { - free (x->chart_file_name); - x->chart_file_name = ds_xstrdup (val); + fprintf (html->file, "<PRE class=\"syntax\">"); + html->in_syntax = true; } else - error (0, 0, _("`chart-files' value must contain `#'")); + putc ('\n', html->file); + escape_string (html->file, s, strlen (s), " "); break; - default: - NOT_REACHED (); - } - break; - default: - NOT_REACHED (); - } - - return true; -} -static void output_tab_table (struct outp_driver *, struct tab_table *); + case TEXT_ITEM_PARAGRAPH: + print_title_tag (html->file, "P", s); + break; -static void -html_output_chart (struct outp_driver *this, const struct chart *chart) -{ - struct html_driver_ext *x = this->ext; - struct chart_geometry geom; - char *file_name; - plPlotter *lp; - - /* Draw chart in separate file. */ - if (!chart_create_file ("png", x->chart_file_name, x->chart_cnt, - NULL, &file_name, &lp)) - return; - x->chart_cnt++; - chart_geometry_init (lp, &geom, 1000.0, 1000.0); - chart_draw (chart, lp, &geom); - chart_geometry_free (lp); - pl_deletepl_r (lp); - - link_image (x->file, file_name); - - free (file_name); -} + case TEXT_ITEM_MONOSPACE: + print_title_tag (html->file, "PRE", s); /* should be <P><TT> */ + break; -static void -html_submit (struct outp_driver *this, struct som_entity *s) -{ - extern struct som_table_class tab_table_class; + case TEXT_ITEM_BLANK_LINE: + fputs ("<BR>", html->file); + break; - assert (s->class == &tab_table_class ) ; + case TEXT_ITEM_EJECT_PAGE: + /* Nothing to do. */ + break; - switch (s->type) + case TEXT_ITEM_COMMENT: + case TEXT_ITEM_ECHO: + /* We print out syntax anyway, so nothing to do here either. */ + break; + } + } + else if (is_message_item (output_item)) { - case SOM_TABLE: - output_tab_table ( this, (struct tab_table *) s->ext); - break; - default: - NOT_REACHED (); + const struct message_item *message_item = to_message_item (output_item); + const struct msg *msg = message_item_get_msg (message_item); + char *s = msg_to_string (msg, html->command_name); + print_title_tag (html->file, "P", s); + free (s); } } @@ -269,6 +356,9 @@ escape_string (FILE *file, case ' ': fputs (space, file); break; + case '"': + fputs (""", file); + break; default: putc (c, file); break; @@ -276,135 +366,134 @@ escape_string (FILE *file, } } -/* Outputs content for a cell with options OPTS and contents - TEXT. */ -void -html_put_cell_contents (struct outp_driver *this, - unsigned int opts, const struct substring text) +static void +put_border (FILE *file, int n_borders, int style, const char *border_name) { - struct html_driver_ext *x = this->ext; - - if (!(opts & TAB_EMPTY)) - { - if (opts & TAB_EMPH) - fputs ("<EM>", x->file); - if (opts & TAB_FIX) - { - fputs ("<TT>", x->file); - escape_string (x->file, ss_data (text), ss_length (text), " "); - fputs ("</TT>", x->file); - } - else - { - size_t initial_spaces = ss_span (text, ss_cstr (CC_SPACES)); - escape_string (x->file, - ss_data (text) + initial_spaces, - ss_length (text) - initial_spaces, - " "); - } - if (opts & TAB_EMPH) - fputs ("</EM>", x->file); - } + fprintf (file, "%sborder-%s: %s", + n_borders == 0 ? " STYLE=\"" : "; ", + border_name, + style == TAL_1 ? "thin solid" : "double"); } -/* Write table T to THIS output driver. */ static void -output_tab_table (struct outp_driver *this, struct tab_table *t) +html_output_table (struct html_driver *html, struct table_item *item) { - struct html_driver_ext *x = this->ext; + const struct table *t = table_item_get_table (item); + const char *caption; + int x, y; - if (t->nr == 1 && t->nc == 1) - { - fputs ("<P>", x->file); - html_put_cell_contents (this, t->ct[0], *t->cc); - fputs ("</P>\n", x->file); + fputs ("<TABLE>\n", html->file); - return; + caption = table_item_get_caption (item); + if (caption != NULL) + { + fputs (" <CAPTION>", html->file); + escape_string (html->file, caption, strlen (caption), " "); + fputs ("</CAPTION>\n", html->file); } - fputs ("<TABLE BORDER=1>\n", x->file); - - if (t->title != NULL) + for (y = 0; y < table_nr (t); y++) { - fprintf (x->file, " <CAPTION>"); - escape_string (x->file, t->title, strlen (t->title), " "); - fputs ("</CAPTION>\n", x->file); - } + fputs (" <TR>\n", html->file); + for (x = 0; x < table_nc (t); x++) + { + struct table_cell cell; + const char *tag; + bool is_header; + int alignment, colspan, rowspan; + int top, left, right, bottom, n_borders; + const char *s; + + table_get_cell (t, x, y, &cell); + if (x != cell.d[TABLE_HORZ][0] || y != cell.d[TABLE_VERT][0]) + continue; + + /* Output <TD> or <TH> tag. */ + is_header = (y < table_ht (t) + || y >= table_nr (t) - table_hb (t) + || x < table_hl (t) + || x >= table_nc (t) - table_hr (t)); + tag = is_header ? "TH" : "TD"; + fprintf (html->file, " <%s", tag); + + alignment = cell.options & TAB_ALIGNMENT; + if (alignment != TAB_LEFT) + fprintf (html->file, " ALIGN=%s", + alignment == TAB_RIGHT ? "RIGHT" : "CENTER"); + + colspan = table_cell_colspan (&cell); + if (colspan > 1) + fprintf (html->file, " COLSPAN=%d", colspan); + + rowspan = table_cell_rowspan (&cell); + if (rowspan > 1) + fprintf (html->file, " ROWSPAN=%d", rowspan); + + /* Cell borders. */ + n_borders = 0; + + top = table_get_rule (t, TABLE_VERT, x, y); + if (top > TAL_GAP) + put_border (html->file, n_borders++, top, "top"); + + if (y == table_nr (t) - 1) + { + bottom = table_get_rule (t, TABLE_VERT, x, y + 1); + if (bottom > TAL_GAP) + put_border (html->file, n_borders++, bottom, "bottom"); + } - { - int r; - unsigned char *ct = t->ct; - - for (r = 0; r < t->nr; r++) - { - int c; - - fputs (" <TR>\n", x->file); - for (c = 0; c < t->nc; c++, ct++) - { - struct substring *cc; - const char *tag; - struct tab_joined_cell *j = NULL; - - cc = t->cc + c + r * t->nc; - if (*ct & TAB_JOIN) - { - j = (struct tab_joined_cell *) ss_data (*cc); - cc = &j->contents; - if (j->x1 != c || j->y1 != r) - continue; - } - - /* Output <TD> or <TH> tag. */ - tag = (r < t->t || r >= t->nr - t->b - || c < t->l || c >= t->nc - t->r) ? "TH" : "TD"; - fprintf (x->file, " <%s ALIGN=%s", - tag, - (*ct & TAB_ALIGN_MASK) == TAB_LEFT ? "LEFT" - : (*ct & TAB_ALIGN_MASK) == TAB_RIGHT ? "RIGHT" - : "CENTER"); - if (*ct & TAB_JOIN) - { - if (j->x2 - j->x1 > 1) - fprintf (x->file, " COLSPAN=%d", j->x2 - j->x1); - if (j->y2 - j->y1 > 1) - fprintf (x->file, " ROWSPAN=%d", j->y2 - j->y1); - } - putc ('>', x->file); - - /* Output cell contents. */ - html_put_cell_contents (this, *ct, *cc); - - /* Output </TH> or </TD>. */ - fprintf (x->file, "</%s>\n", tag); - } - fputs (" </TR>\n", x->file); - } - } - - fputs ("</TABLE>\n\n", x->file); -} + left = table_get_rule (t, TABLE_HORZ, x, y); + if (left > TAL_GAP) + put_border (html->file, n_borders++, left, "left"); + if (x == table_nc (t) - 1) + { + right = table_get_rule (t, TABLE_HORZ, x + 1, y); + if (right > TAL_GAP) + put_border (html->file, n_borders++, right, "right"); + } + if (n_borders > 0) + fputs ("\"", html->file); -/* HTML driver class. */ -const struct outp_class html_class = - { - "html", - 1, + putc ('>', html->file); - html_open_driver, - html_close_driver, + /* Output cell contents. */ + s = cell.contents; + if (cell.options & TAB_EMPH) + fputs ("<EM>", html->file); + if (cell.options & TAB_FIX) + { + fputs ("<TT>", html->file); + escape_string (html->file, s, strlen (s), " "); + fputs ("</TT>", html->file); + } + else + { + s += strspn (s, CC_SPACES); + escape_string (html->file, s, strlen (s), " "); + } + if (cell.options & TAB_EMPH) + fputs ("</EM>", html->file); - NULL, - NULL, - NULL, + /* Output </TH> or </TD>. */ + fprintf (html->file, "</%s>\n", tag); - html_output_chart, + table_cell_free (&cell); + } + fputs (" </TR>\n", html->file); + } - html_submit, + fputs ("</TABLE>\n\n", html->file); +} - NULL, - NULL, +struct output_driver_factory html_driver_factory = { "html", html_create }; + +static const struct output_driver_class html_driver_class = + { + "html", + html_destroy, + html_submit, NULL, };