diff options
Diffstat (limited to 'bk_xhtml.c')
| -rw-r--r-- | bk_xhtml.c | 1779 |
1 files changed, 0 insertions, 1779 deletions
diff --git a/bk_xhtml.c b/bk_xhtml.c deleted file mode 100644 index 5d8e812..0000000 --- a/bk_xhtml.c +++ /dev/null @@ -1,1779 +0,0 @@ -/* - * xhtml backend for Halibut - * (initial implementation by James Aylett) - * - * Still to do: - * - * +++ doesn't handle non-breaking hyphens. Not sure how to yet. - * +++ entity names (from a file -- ideally supply normal SGML files) - * +++ configuration directive to file split where the current layout - * code wouldn't. Needs changes to _ponder_layout() and _do_paras(), - * perhaps others. - * - * Limitations: - * - * +++ biblio/index references target the nearest section marker, rather - * than having a dedicated target themselves. In large bibliographies - * this will cause problems. (The solution is to fake up a response - * from xhtml_find_section(), probably linking it into the sections - * chain just in case we need it again, and to make freeing it up - * easier.) docsrc.pl used to work as we do, however, and SGT agrees that - * this is acceptable for now. - * +++ can't cope with leaf-level == 0. It's all to do with the - * top-level file not being normal, probably not even having a valid - * section level, and stuff like that. I question whether this is an - * issue, frankly; small manuals that fit on one page should probably - * not be written in halibut at all. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include "halibut.h" - -/* - * FILENAME_TEMPLATE (overridable in config of course) allows you - * to choose the general form for your HTML file names. It is - * slightly printf-styled (% followed by a single character is a - * formatting directive, %% is a literal %). Formatting directives - * are: - * - * - %n is the section type-plus-number, minus whitespace (`Chapter1.2'). - * - %b is the section number on its own (`1.2'). - * - %k is the section's _internal_ keyword. - * - %N is the section's visible title in the output, again minus - * whitespace. - * - * %n, %b and %k will all default to %N if the section is - * unnumbered (`Bibliography' is often a good example). - * - * FRAGMENT_TEMPLATE is the same, but defines the <a name="foo"> - * markers used to cross-reference to particular subsections of a - * file. - */ - -#define FILENAME_SINGLE "Manual.html" -#define FILENAME_CONTENTS "Contents.html" -#define FILENAME_INDEX "IndexPage.html" -#define FILENAME_TEMPLATE "%n.html" -#define FRAGMENT_TEMPLATE "%b" - -struct xhtmlsection_Struct { - struct xhtmlsection_Struct *next; /* next sibling (NULL if split across files) */ - struct xhtmlsection_Struct *child; /* NULL if split across files */ - struct xhtmlsection_Struct *parent; /* NULL if split across files */ - struct xhtmlsection_Struct *chain; /* single structure independent of weird trees */ - paragraph *para; - struct xhtmlfile_Struct *file; /* which file is this a part of? */ - char *fragment; /* fragment id within the file */ - int level; -}; - -struct xhtmlfile_Struct { - struct xhtmlfile_Struct *next; - struct xhtmlfile_Struct *child; - struct xhtmlfile_Struct *parent; - char *filename; - struct xhtmlsection_Struct *sections; /* sections within this file (only one for non-leaf) */ - int is_leaf; /* is this file a leaf file, ie does it not have any children? */ -}; - -typedef struct xhtmlsection_Struct xhtmlsection; -typedef struct xhtmlfile_Struct xhtmlfile; -typedef struct xhtmlindex_Struct xhtmlindex; - -struct xhtmlindex_Struct { - int nsection; - int size; - xhtmlsection **sections; -}; - -typedef struct { - int just_numbers; - wchar_t *number_suffix; -} xhtmlheadfmt; - -typedef struct { - int contents_depth[6]; - int leaf_contains_contents; - int leaf_level; - int leaf_smallest_contents; - int include_version_id; - wchar_t *author, *description; - wchar_t *head_end, *body, *body_start, *body_end, *address_start, *address_end, *nav_attrs; - int suppress_address; - xhtmlheadfmt fchapter, *fsect; - int nfsect; - char *contents_filename, *index_filename; - char *single_filename, *template_filename, *template_fragment; -} xhtmlconfig; - -/*static void xhtml_level(paragraph *, int); -static void xhtml_level_0(paragraph *); -static void xhtml_docontents(FILE *, paragraph *, int); -static void xhtml_dosections(FILE *, paragraph *, int); -static void xhtml_dobody(FILE *, paragraph *, int);*/ - -static void xhtml_doheader(FILE *, word *); -static void xhtml_dofooter(FILE *); -static void xhtml_versionid(FILE *, word *, int); - -static void xhtml_utostr(wchar_t *, char **); -static int xhtml_para_level(paragraph *); -static int xhtml_reservedchar(int); - -static int xhtml_convert(wchar_t *, int, char **, int); -static void xhtml_rdaddwc(rdstringc *, word *, word *, int); -static void xhtml_para(FILE *, word *, int); -static void xhtml_codepara(FILE *, word *); -static void xhtml_heading(FILE *, paragraph *, int); - -/* File-global variables are much easier than passing these things - * all over the place. Evil, but easier. We can replace this with a single - * structure at some point. - */ -static xhtmlconfig conf; -static keywordlist *keywords; -static indexdata *idx; -static xhtmlfile *topfile; -static xhtmlsection *topsection; -static paragraph *sourceparas; -static xhtmlfile *lastfile; -static xhtmlfile *xhtml_last_file = NULL; -static int last_level=-1, start_level; -static xhtmlsection *currentsection; - -static xhtmlconfig xhtml_configure(paragraph *source) -{ - xhtmlconfig ret; - - /* - * Defaults. - */ - ret.contents_depth[0] = 2; - ret.contents_depth[1] = 3; - ret.contents_depth[2] = 4; - ret.contents_depth[3] = 5; - ret.contents_depth[4] = 6; - ret.contents_depth[5] = 7; - ret.leaf_level = 2; - ret.leaf_smallest_contents = 4; - ret.leaf_contains_contents = FALSE; - ret.include_version_id = TRUE; - ret.author = NULL; - ret.description = NULL; - ret.head_end = NULL; - ret.body = NULL; - ret.body_start = NULL; - ret.body_end = NULL; - ret.address_start = NULL; - ret.address_end = NULL; - ret.nav_attrs = NULL; - ret.suppress_address = FALSE; - - ret.fchapter.just_numbers = FALSE; - ret.fchapter.number_suffix = L": "; - ret.nfsect = 2; - ret.fsect = mknewa(xhtmlheadfmt, ret.nfsect); - ret.fsect[0].just_numbers = FALSE; - ret.fsect[0].number_suffix = L": "; - ret.fsect[1].just_numbers = TRUE; - ret.fsect[1].number_suffix = L" "; - ret.contents_filename = strdup(FILENAME_CONTENTS); - ret.single_filename = strdup(FILENAME_SINGLE); - ret.index_filename = strdup(FILENAME_INDEX); - ret.template_filename = strdup(FILENAME_TEMPLATE); - ret.template_fragment = strdup(FRAGMENT_TEMPLATE); - - for (; source; source = source->next) - { - if (source->type == para_Config) - { - if (!ustricmp(source->keyword, L"xhtml-contents-filename")) { - sfree(ret.contents_filename); - ret.contents_filename = dupstr(adv(source->origkeyword)); - } else if (!ustricmp(source->keyword, L"xhtml-single-filename")) { - sfree(ret.single_filename); - ret.single_filename = dupstr(adv(source->origkeyword)); - } else if (!ustricmp(source->keyword, L"xhtml-index-filename")) { - sfree(ret.index_filename); - ret.index_filename = dupstr(adv(source->origkeyword)); - } else if (!ustricmp(source->keyword, L"xhtml-template-filename")) { - sfree(ret.template_filename); - ret.template_filename = dupstr(adv(source->origkeyword)); - } else if (!ustricmp(source->keyword, L"xhtml-template-fragment")) { - sfree(ret.template_fragment); - ret.template_fragment = utoa_dup(uadv(source->keyword), CS_ASCII); - } else if (!ustricmp(source->keyword, L"xhtml-contents-depth-0")) { - ret.contents_depth[0] = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-contents-depth-1")) { - ret.contents_depth[1] = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-contents-depth-2")) { - ret.contents_depth[2] = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-contents-depth-3")) { - ret.contents_depth[3] = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-contents-depth-4")) { - ret.contents_depth[4] = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-contents-depth-5")) { - ret.contents_depth[5] = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-leaf-level")) { - ret.leaf_level = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-leaf-smallest-contents")) { - ret.leaf_smallest_contents = utoi(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-versionid")) { - ret.include_version_id = utob(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-leaf-contains-contents")) { - ret.leaf_contains_contents = utob(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-suppress-address")) { - ret.suppress_address = utob(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-author")) { - ret.author = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-description")) { - ret.description = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-head-end")) { - ret.head_end = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-body-start")) { - ret.body_start = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-body-tag")) { - ret.body = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-body-end")) { - ret.body_end = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-address-start")) { - ret.address_start = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-address-end")) { - ret.address_end = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-navigation-attributes")) { - ret.nav_attrs = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-chapter-numeric")) { - ret.fchapter.just_numbers = utob(uadv(source->keyword)); - } else if (!ustricmp(source->keyword, L"xhtml-chapter-suffix")) { - ret.fchapter.number_suffix = uadv(source->keyword); - } else if (!ustricmp(source->keyword, L"xhtml-section-numeric")) { - wchar_t *p = uadv(source->keyword); - int n = 0; - if (uisdigit(*p)) { - n = utoi(p); - p = uadv(p); - } - if (n >= ret.nfsect) { - int i; - ret.fsect = resize(ret.fsect, n+1); - for (i = ret.nfsect; i <= n; i++) - ret.fsect[i] = ret.fsect[ret.nfsect-1]; - ret.nfsect = n+1; - } - ret.fsect[n].just_numbers = utob(p); - } else if (!ustricmp(source->keyword, L"xhtml-section-suffix")) { - wchar_t *p = uadv(source->keyword); - int n = 0; - if (uisdigit(*p)) { - n = utoi(p); - p = uadv(p); - } - if (n >= ret.nfsect) { - int i; - ret.fsect = resize(ret.fsect, n+1); - for (i = ret.nfsect; i <= n; i++) - ret.fsect[i] = ret.fsect[ret.nfsect-1]; - ret.nfsect = n+1; - } - ret.fsect[n].number_suffix = p; - } - } - } - - /* printf(" !!! leaf_level = %i\n", ret.leaf_level); - printf(" !!! contentdepth-0 = %i\n", ret.contents_depth[0]); - printf(" !!! contentdepth-1 = %i\n", ret.contents_depth[1]); - printf(" !!! contentdepth-2 = %i\n", ret.contents_depth[2]); - printf(" !!! contentdepth-3 = %i\n", ret.contents_depth[3]); - printf(" !!! contentdepth-4 = %i\n", ret.contents_depth[4]); - printf(" !!! contentdepth-5 = %i\n", ret.contents_depth[5]); - printf(" !!! leaf_contains_contents = %i\n", ret.leaf_contains_contents);*/ - return ret; -} - -paragraph *xhtml_config_filename(char *filename) -{ - /* - * If the user passes in a single filename as a parameter to - * the `--html' command-line option, then we should assume it - * to imply _two_ config directives: - * \cfg{xhtml-single-filename}{whatever} and - * \cfg{xhtml-leaf-level}{0}; the rationale being that the user - * wants their output _in that file_. - */ - paragraph *p, *q; - - p = cmdline_cfg_simple("xhtml-single-filename", filename, NULL); - q = cmdline_cfg_simple("xhtml-leaf-level", "0", NULL); - p->next = q; - return p; -} - -static xhtmlsection *xhtml_new_section(xhtmlsection *last) -{ - xhtmlsection *ret = mknew(xhtmlsection); - ret->next=NULL; - ret->child=NULL; - ret->parent=NULL; - ret->chain=last; - ret->para=NULL; - ret->file=NULL; - ret->fragment=NULL; - ret->level=-1; /* marker: end of chain */ - return ret; -} - -/* Returns NULL or the section that marks that paragraph */ -static xhtmlsection *xhtml_find_section(paragraph *p) -{ - xhtmlsection *ret = topsection; - if (xhtml_para_level(p)==-1) { /* first, we back-track to a section paragraph */ - paragraph *p2 = sourceparas; - paragraph *p3 = NULL; - while (p2 && p2!=p) { - if (xhtml_para_level(p2)!=-1) { - p3 = p2; - } - p2=p2->next; - } - if (p3==NULL) { /* for some reason, we couldn't find a section before this paragraph ... ? */ - /* Note that this can happen, if you have a cross-reference to before the first chapter starts. - * So don't do that, then. - */ - return NULL; - } - p=p3; - } - while (ret && ret->para != p) { -/* printf(" xhtml_find_section(): checking %s for para @ %p\n", ret->fragment, p);*/ - ret=ret->chain; - } - return ret; -} - -static void xhtml_format(paragraph *p, char *template_string, rdstringc *r) -{ - char *c, *t; - word *w; - wchar_t *ws; - - t = template_string; - while (*t) { - if (*t == '%' && t[1]) { - int fmt; - - t++; - fmt = *t++; - - if (fmt == '%') { - rdaddc(r, fmt); - continue; - } - - w = NULL; - ws = NULL; - - if (p->kwtext && fmt == 'n') - w = p->kwtext; - else if (p->kwtext2 && fmt == 'b') - w = p->kwtext2; - else if (p->keyword && *p->keyword && fmt == 'k') - ws = p->keyword; - else - w = p->words; - - while (w) { - switch (removeattr(w->type)) - { - case word_Normal: - /*case word_Emph: - case word_Code: - case word_WeakCode:*/ - xhtml_utostr(w->text, &c); - rdaddsc(r,c); - sfree(c); - break; - } - w = w->next; - } - if (ws) { - xhtml_utostr(ws, &c); - rdaddsc(r,c); - sfree(c); - } - } else { - rdaddc(r, *t++); - } - } -} - -static xhtmlfile *xhtml_new_file(xhtmlsection *sect) -{ - xhtmlfile *ret = mknew(xhtmlfile); - - ret->next=NULL; - ret->child=NULL; - ret->parent=NULL; - ret->filename=NULL; - ret->sections=sect; - ret->is_leaf=(sect!=NULL && sect->level==conf.leaf_level); - if (sect==NULL) { - if (conf.leaf_level==0) { /* currently unused */ - ret->filename = smalloc(strlen(conf.single_filename)+1); - sprintf(ret->filename, conf.single_filename); - } else { - ret->filename = smalloc(strlen(conf.contents_filename)+1); - sprintf(ret->filename, conf.contents_filename); - } - } else { - paragraph *p = sect->para; - rdstringc fname_c = { 0, 0, NULL }; - xhtml_format(p, conf.template_filename, &fname_c); - ret->filename = rdtrimc(&fname_c); - } - /* printf(" ! new file '%s', is_leaf == %s\n", ret->filename, (ret->is_leaf)?("true"):("false"));*/ - return ret; -} - -/* - * Walk the tree fixing up files which are actually leaf (ie - * have no children) but aren't at leaf level, so they have the - * leaf flag set. - */ -void xhtml_fixup_layout(xhtmlfile* file) -{ - if (file->child==NULL) { - file->is_leaf = TRUE; - } else { - xhtml_fixup_layout(file->child); - } - if (file->next) - xhtml_fixup_layout(file->next); -} - -/* - * Create the tree structure so we know where everything goes. - * Method: - * - * Ignoring file splitting, we have three choices with each new section: - * - * +-----------------+-----------------+ - * | | | - * X +----X----+ (1) - * | | - * Y (2) - * | - * (3) - * - * Y is the last section we added (currentsect). - * If sect is the section we want to add, then: - * - * (1) if sect->level < currentsect->level - * (2) if sect->level == currentsect->level - * (3) if sect->level > currentsect->level - * - * This requires the constraint that you never skip section numbers - * (so you can't have a.b.c.d without all of a, a.b and a.b.c existing). - * - * Note that you _can_ have 1.1.1.1 followed by 1.2 - you can change - * more than one level at a time. Lots of asserts, and probably part of - * the algorithm here, rely on this being true. (It currently isn't - * enforced by halibut, however.) - * - * File splitting makes this harder. For instance, say we added at (3) - * above and now need to add another section. We are splitting at level - * 2, ie the level of Y. Z is the last section we added: - * - * +-----------------+-----------------+ - * | | | - * X +----X----+ (1) - * | | - * +----Y----+ (1) - * | | - * Z (2) - * | - * (3) - * - * The (1) case is now split; we need to search upwards to find where - * to actually link in. The other two cases remain the same (and will - * always be like this). - * - * File splitting makes this harder, however. The decision of whether - * to split to a new file is always on the same condition, however (is - * the level of this section higher than the leaf_level configuration - * value or not). - * - * Treating the cases backwards: - * - * (3) same file if sect->level > conf.leaf_level, otherwise new file - * - * if in the same file, currentsect->child points to sect - * otherwise the linking is done through the file tree (which works - * in more or less the same way, ie currentfile->child points to - * the new file) - * - * (2) same file if sect->level > conf.leaf_level, otherwise new file - * - * if in the same file, currentsect->next points to sect - * otherwise file linking and currentfile->next points to the new - * file (we know that Z must have caused a new file to be created) - * - * (1) same file if sect->level > conf.leaf_level, otherwise new file - * - * this is actually effectively the same case as (2) here, - * except that we first have to travel up the sections to figure - * out which section this new one will be a sibling of. In doing - * so, we may disappear off the top of a file and have to go up - * to its parent in the file tree. - * - */ -static void xhtml_ponder_layout(paragraph *p) -{ - xhtmlsection *lastsection; - xhtmlsection *currentsect; - xhtmlfile *currentfile; - - lastfile = NULL; - topsection = xhtml_new_section(NULL); - topfile = xhtml_new_file(NULL); - lastsection = topsection; - currentfile = topfile; - currentsect = topsection; - - if (conf.leaf_level == 0) { - topfile->is_leaf = 1; - topfile->sections = topsection; - topsection->file = topfile; - } - - for (; p; p=p->next) - { - int level = xhtml_para_level(p); - if (level>0) /* actually a section */ - { - xhtmlsection *sect; - rdstringc frag_c = { 0, 0, NULL }; - - sect = xhtml_new_section(lastsection); - lastsection = sect; - sect->para = p; - - xhtml_format(p, conf.template_fragment, &frag_c); - sect->fragment = rdtrimc(&frag_c); - sect->level = level; - /* printf(" ! adding para @ %p as sect %s, level %i\n", sect->para, sect->fragment, level);*/ - - if (level>currentsect->level) { /* case (3) */ - if (level>conf.leaf_level) { /* same file */ - assert(currentfile->is_leaf); - currentsect->child = sect; - sect->parent=currentsect; - sect->file=currentfile; - /* printf("connected '%s' to existing file '%s' [I]\n", sect->fragment, currentfile->filename);*/ - currentsect=sect; - } else { /* new file */ - xhtmlfile *file = xhtml_new_file(sect); - assert(!currentfile->is_leaf); - currentfile->child=file; - sect->file=file; - file->parent=currentfile; - /* printf("connected '%s' to new file '%s' [I]\n", sect->fragment, file->filename);*/ - currentfile=file; - currentsect=sect; - } - } else if (level >= currentsect->file->sections->level) { - /* Case (1) or (2) *AND* still under the section that starts - * the current file. - * - * I'm not convinced that this couldn't be rolled in with the - * final else {} leg further down. It seems a lot of effort - * this way. - */ - if (level>conf.leaf_level) { /* stick within the same file */ - assert(currentfile->is_leaf); - sect->file = currentfile; - while (currentsect && currentsect->level > level && - currentsect->file==currentsect->parent->file) { - currentsect = currentsect->parent; - } - assert(currentsect); - currentsect->next = sect; - assert(currentsect->level == sect->level); - sect->parent = currentsect->parent; - currentsect = sect; - /* printf("connected '%s' to existing file '%s' [II]\n", sect->fragment, currentfile->filename);*/ - } else { /* new file */ - xhtmlfile *file = xhtml_new_file(sect); - sect->file=file; - currentfile->next=file; - file->parent=currentfile->parent; - file->is_leaf=(level==conf.leaf_level); - file->sections=sect; - /* printf("connected '%s' to new file '%s' [II]\n", sect->fragment, file->filename);*/ - currentfile=file; - currentsect=sect; - } - } else { /* Case (1) or (2) and we must move up the file tree first */ - /* this loop is now probably irrelevant - we know we can't connect - * to anything in the current file */ - while (currentsect && level<currentsect->level) { - currentsect=currentsect->parent; - if (currentsect) { - /* printf(" * up one level to '%s'\n", currentsect->fragment);*/ - } else { - /* printf(" * up one level (off top of current file)\n");*/ - } - } - if (currentsect) { - /* I'm pretty sure this can now never fire */ - assert(currentfile->is_leaf); - /* printf("connected '%s' to existing file '%s' [III]\n", sect->fragment, currentfile->filename);*/ - sect->file = currentfile; - currentsect->next=sect; - currentsect=sect; - } else { /* find a file we can attach to */ - while (currentfile && currentfile->sections && level<currentfile->sections->level) { - currentfile=currentfile->parent; - if (currentfile) { - /* printf(" * up one file level to '%s'\n", currentfile->filename);*/ - } else { - /* printf(" * up one file level (off top of tree)\n");*/ - } - } - if (currentfile) { /* new file (we had to skip up a file to - get here, so we must be dealing with a - level no lower than the configured - leaf_level */ - xhtmlfile *file = xhtml_new_file(sect); - currentfile->next=file; - sect->file=file; - file->parent=currentfile->parent; - file->is_leaf=(level==conf.leaf_level); - file->sections=sect; - /* printf("connected '%s' to new file '%s' [III]\n", sect->fragment, file->filename);*/ - currentfile=file; - currentsect=sect; - } else { - fatal(err_whatever, "Ran off the top trying to connect sibling: strange document."); - } - } - } - } - } - topsection = lastsection; /* get correct end of the chain */ - xhtml_fixup_layout(topfile); /* leaf files not at leaf level marked as such */ -} - -static void xhtml_do_index(); -static void xhtml_do_file(xhtmlfile *file); -static void xhtml_do_top_file(xhtmlfile *file, paragraph *sourceform); -static void xhtml_do_paras(FILE *fp, paragraph *p, paragraph *end, int indexable); -static int xhtml_do_contents_limit(FILE *fp, xhtmlfile *file, int limit); -static int xhtml_do_contents_section_limit(FILE *fp, xhtmlsection *section, int limit); -static int xhtml_add_contents_entry(FILE *fp, xhtmlsection *section, int limit); -static int xhtml_do_contents(FILE *fp, xhtmlfile *file); -static int xhtml_do_naked_contents(FILE *fp, xhtmlfile *file); -static void xhtml_do_sections(FILE *fp, xhtmlsection *sections); - -/* - * Do all the files in this structure. - */ -static void xhtml_do_files(xhtmlfile *file) -{ - xhtml_do_file(file); - if (file->child) - xhtml_do_files(file->child); - if (file->next) - xhtml_do_files(file->next); -} - -/* - * Free up all memory used by the file tree from 'xfile' downwards - */ -static void xhtml_free_file(xhtmlfile* xfile) -{ - if (xfile==NULL) { - return; - } - - if (xfile->filename) { - sfree(xfile->filename); - } - xhtml_free_file(xfile->child); - xhtml_free_file(xfile->next); - sfree(xfile); -} - -/* - * Main function. - */ -void xhtml_backend(paragraph *sourceform, keywordlist *in_keywords, - indexdata *in_idx, void *unused) -{ -/* int i;*/ - indexentry *ientry; - int ti; - xhtmlsection *xsect; - - IGNORE(unused); - - sourceparas = sourceform; - conf = xhtml_configure(sourceform); - keywords = in_keywords; - idx = in_idx; - - /* Clear up the index entries backend data pointers */ - for (ti=0; (ientry = (indexentry *)index234(idx->entries, ti))!=NULL; ti++) { - ientry->backend_data=NULL; - } - - xhtml_ponder_layout(sourceform); - - /* old system ... (writes to *.alt, but gets some stuff wrong and is ugly) */ -/* xhtml_level_0(sourceform); - for (i=1; i<=conf.leaf_level; i++) - { - xhtml_level(sourceform, i); - }*/ - - /* new system ... (writes to *.html, but isn't fully trusted) */ - xhtml_do_top_file(topfile, sourceform); - assert(!topfile->next); /* shouldn't have a sibling at all */ - if (topfile->child) { - xhtml_do_files(topfile->child); - xhtml_do_index(); - } - - /* release file, section, index data structures */ - xsect = topsection; - while (xsect) { - xhtmlsection *tmp = xsect->chain; - if (xsect->fragment) { - sfree(xsect->fragment); - } - sfree(xsect); - xsect = tmp; - } - xhtml_free_file(topfile); - for (ti = 0; (ientry=(indexentry *)index234(idx->entries, ti))!=NULL; ti++) { - if (ientry->backend_data!=NULL) { - xhtmlindex *xi = (xhtmlindex*) ientry->backend_data; - if (xi->sections!=NULL) { - sfree(xi->sections); - } - sfree(xi); - } - ientry->backend_data = NULL; - } - sfree(conf.fsect); -} - -static int xhtml_para_level(paragraph *p) -{ - switch (p->type) - { - case para_Title: - return 0; - break; - case para_UnnumberedChapter: - case para_Chapter: - case para_Appendix: - return 1; - break; -/* case para_BiblioCited: - return 2; - break;*/ - case para_Heading: - case para_Subsect: - return p->aux+2; - break; - default: - return -1; - break; - } -} - -/* Output the nav links for the current file. - * file == NULL means we're doing the index - */ -static void xhtml_donavlinks(FILE *fp, xhtmlfile *file) -{ - xhtmlfile *xhtml_next_file = NULL; - fprintf(fp, "<p"); - if (conf.nav_attrs!=NULL) { - fprintf(fp, " %ls>", conf.nav_attrs); - } else { - fprintf(fp, ">"); - } - if (xhtml_last_file==NULL) { - fprintf(fp, "Previous | "); - } else { - fprintf(fp, "<a href=\"%s\">Previous</a> | ", xhtml_last_file->filename); - } - fprintf(fp, "<a href=\"%s\">Contents</a> | ", conf.contents_filename); - if (file == NULL) { - fprintf(fp, "Index | "); - } else { - fprintf(fp, "<a href=\"%s\">Index</a> | ", conf.index_filename); - } - if (file != NULL) { /* otherwise we're doing nav links for the index */ - if (xhtml_next_file==NULL) - xhtml_next_file = file->child; - if (xhtml_next_file==NULL) - xhtml_next_file = file->next; - if (xhtml_next_file==NULL) - xhtml_next_file = file->parent->next; - } - if (xhtml_next_file==NULL) { - if (file==NULL) { /* index, so no next file */ - fprintf(fp, "Next "); - } else { - fprintf(fp, "<a href=\"%s\">Next</a>", conf.index_filename); - } - } else { - fprintf(fp, "<a href=\"%s\">Next</a>", xhtml_next_file->filename); - } - fprintf(fp, "</p>\n"); -} - -/* Write out the index file */ -static void xhtml_do_index_body(FILE *fp) -{ - indexentry *y; - int ti; - - if (count234(idx->entries) == 0) - return; /* don't write anything at all */ - - fprintf(fp, "<dl>\n"); - /* iterate over idx->entries using the tree functions and display everything */ - for (ti = 0; (y = (indexentry *)index234(idx->entries, ti)) != NULL; ti++) { - if (y->backend_data) { - int i; - xhtmlindex *xi; - - fprintf(fp, "<dt>"); - xhtml_para(fp, y->text, FALSE); - fprintf(fp, "</dt>\n<dd>"); - - xi = (xhtmlindex*) y->backend_data; - for (i=0; i<xi->nsection; i++) { - xhtmlsection *sect = xi->sections[i]; - if (sect) { - fprintf(fp, "<a href=\"%s#%s\">", sect->file->filename, sect->fragment); - if (sect->para->kwtext) { - xhtml_para(fp, sect->para->kwtext, FALSE); - } else if (sect->para->words) { - xhtml_para(fp, sect->para->words, FALSE); - } - fprintf(fp, "</a>"); - if (i+1<xi->nsection) { - fprintf(fp, ", "); - } - } - } - fprintf(fp, "</dd>\n"); - } - } - fprintf(fp, "</dl>\n"); -} -static void xhtml_do_index() -{ - word temp_word = { NULL, NULL, word_Normal, 0, 0, L"Index", - { NULL, 0, 0}, NULL }; - FILE *fp = fopen(conf.index_filename, "w"); - - if (fp==NULL) - fatal(err_cantopenw, conf.index_filename); - xhtml_doheader(fp, &temp_word); - xhtml_donavlinks(fp, NULL); - - xhtml_do_index_body(fp); - - xhtml_donavlinks(fp, NULL); - xhtml_dofooter(fp); - fclose(fp); -} - -/* Output the given file. This includes whatever contents at beginning and end, etc. etc. */ -static void xhtml_do_file(xhtmlfile *file) -{ - FILE *fp = fopen(file->filename, "w"); - if (fp==NULL) - fatal(err_cantopenw, file->filename); - - if (file->sections->para->words) { - xhtml_doheader(fp, file->sections->para->words); - } else if (file->sections->para->kwtext) { - xhtml_doheader(fp, file->sections->para->kwtext); - } else { - xhtml_doheader(fp, NULL); - } - - xhtml_donavlinks(fp, file); - - if (file->is_leaf && conf.leaf_contains_contents && - xhtml_do_contents(NULL, file)>=conf.leaf_smallest_contents) - xhtml_do_contents(fp, file); - xhtml_do_sections(fp, file->sections); - if (!file->is_leaf) - xhtml_do_naked_contents(fp, file); - - xhtml_donavlinks(fp, file); - - xhtml_dofooter(fp); - fclose(fp); - - xhtml_last_file = file; -} - -/* Output the top-level file. */ -static void xhtml_do_top_file(xhtmlfile *file, paragraph *sourceform) -{ - paragraph *p; - int done=FALSE; - FILE *fp = fopen(file->filename, "w"); - if (fp==NULL) - fatal(err_cantopenw, file->filename); - - /* Do the title -- only one allowed */ - for (p = sourceform; p && !done; p = p->next) - { - if (p->type == para_Title) - { - xhtml_doheader(fp, p->words); - done=TRUE; - } - } - if (!done) - xhtml_doheader(fp, NULL /* Eek! */); - - /* - * Display the title. - */ - for (p = sourceform; p; p = p->next) - { - if (p->type == para_Title) { - xhtml_heading(fp, p, FALSE); - break; - } - } - - /* Do the preamble */ - for (p = sourceform; p; p = p->next) - { - if (p->type == para_Chapter || p->type == para_Heading || - p->type == para_Subsect || p->type == para_Appendix || - p->type == para_UnnumberedChapter) { - /* - * We've found the end of the preamble. Do every normal - * paragraph up to there. - */ - xhtml_do_paras(fp, sourceform, p, FALSE); - break; - } - } - - xhtml_do_contents(fp, file); - xhtml_do_sections(fp, file->sections); - - /* - * Put the index in the top file if we're in single-file mode - * (leaf-level 0). - */ - if (conf.leaf_level == 0 && count234(idx->entries) > 0) { - fprintf(fp, "<a name=\"index\"></a><h1>Index</h1>\n"); - xhtml_do_index_body(fp); - } - - xhtml_dofooter(fp); - fclose(fp); -} - -/* Convert a Unicode string to an ASCII one. '?' is - * used for unmappable characters. - */ -static void xhtml_utostr(wchar_t *in, char **out) -{ - int l = ustrlen(in); - int i; - *out = smalloc(l+1); - for (i=0; i<l; i++) - { - if (in[i]>=32 && in[i]<=126) - (*out)[i]=(char)in[i]; - else - (*out)[i]='?'; - } - (*out)[i]=0; -} - -/* - * Write contents for the given file, and subfiles, down to - * the appropriate contents depth. Returns the number of - * entries written. - */ -static int xhtml_do_contents(FILE *fp, xhtmlfile *file) -{ - int level, limit, count = 0; - if (!file) - return 0; - - level = (file->sections)?(file->sections->level):(0); - limit = conf.contents_depth[(level>5)?(5):(level)]; - start_level = (file->is_leaf) ? (level-1) : (level); - last_level = start_level; - - count += xhtml_do_contents_section_limit(fp, file->sections, limit); - count += xhtml_do_contents_limit(fp, file->child, limit); - if (fp!=NULL) { - while (last_level > start_level) { - last_level--; - fprintf(fp, "</li></ul>\n"); - } - } - return count; -} - -/* As above, but doesn't do anything in the current file */ -static int xhtml_do_naked_contents(FILE *fp, xhtmlfile *file) -{ - int level, limit, start_level, count = 0; - if (!file) - return 0; - - level = (file->sections)?(file->sections->level):(0); - limit = conf.contents_depth[(level>5)?(5):(level)]; - start_level = (file->is_leaf) ? (level-1) : (level); - last_level = start_level; - - count = xhtml_do_contents_limit(fp, file->child, limit); - if (fp!=NULL) { - while (last_level > start_level) { - last_level--; - fprintf(fp, "</li></ul>\n"); - } - } - return count; -} - -/* - * Write contents for the given file, children, and siblings, down to - * given limit contents depth. - */ -static int xhtml_do_contents_limit(FILE *fp, xhtmlfile *file, int limit) -{ - int count = 0; - while (file) { - count += xhtml_do_contents_section_limit(fp, file->sections, limit); - count += xhtml_do_contents_limit(fp, file->child, limit); - file = file->next; - } - return count; -} - -/* - * Write contents entries for the given section tree, down to the - * limit contents depth. - */ -static int xhtml_do_contents_section_deep_limit(FILE *fp, xhtmlsection *section, int limit) -{ - int count = 0; - while (section) { - if (!xhtml_add_contents_entry(fp, section, limit)) - return 0; - else - count++; - count += xhtml_do_contents_section_deep_limit(fp, section->child, limit); - section = section->next; - } - return count; -} - -/* - * Write contents entries for the given section tree, down to the - * limit contents depth. - */ -static int xhtml_do_contents_section_limit(FILE *fp, xhtmlsection *section, int limit) -{ - int count = 0; - if (!section) - return 0; - xhtml_add_contents_entry(fp, section, limit); - count=1; - count += xhtml_do_contents_section_deep_limit(fp, section->child, limit); - /* section=section->child; - while (section && xhtml_add_contents_entry(fp, section, limit)) { - section = section->next; - }*/ - return count; -} - -/* - * Add a section entry, unless we're exceeding the limit, in which - * case return FALSE (otherwise return TRUE). - */ -static int xhtml_add_contents_entry(FILE *fp, xhtmlsection *section, int limit) -{ - if (!section || section->level > limit) - return FALSE; - if (fp==NULL || section->level < 0) - return TRUE; - if (last_level > section->level) { - while (last_level > section->level) { - last_level--; - fprintf(fp, "</li></ul>\n"); - } - fprintf(fp, "</li>\n"); - } else if (last_level < section->level) { - assert(last_level == section->level - 1); - last_level++; - fprintf(fp, "<ul>\n"); - } else { - fprintf(fp, "</li>\n"); - } - fprintf(fp, "<li><a href=\"%s#%s\">", section->file->filename, section->fragment); - if (section->para->kwtext) { - xhtml_para(fp, section->para->kwtext, FALSE); - if (section->para->words) { - fprintf(fp, ": "); - } - } - if (section->para->words) { - xhtml_para(fp, section->para->words, FALSE); - } - fprintf(fp, "</a>\n"); - return TRUE; -} - -/* - * Write all the sections in this file. Do all paragraphs in this section, then all - * children (recursively), then go on to the next one (tail recursively). - */ -static void xhtml_do_sections(FILE *fp, xhtmlsection *sections) -{ - while (sections) { - currentsection = sections; - xhtml_do_paras(fp, sections->para, NULL, TRUE); - xhtml_do_sections(fp, sections->child); - sections = sections->next; - } -} - -/* Write this list of paragraphs. Close off all lists at the end. */ -static void xhtml_do_paras(FILE *fp, paragraph *p, paragraph *end, - int indexable) -{ - int last_type = -1, ptype, first=TRUE; - stack lcont_stack = stk_new(); - if (!p) - return; - -/* for (; p && (xhtml_para_level(p)>limit || xhtml_para_level(p)==-1 || first); p=p->next) {*/ - for (; p && p != end && (xhtml_para_level(p)<=0 || first); p=p->next) { - first=FALSE; - switch (ptype = p->type) - { - /* - * Things we ignore because we've already processed them or - * aren't going to touch them in this pass. - */ - case para_IM: - case para_BR: - case para_Biblio: /* only touch BiblioCited */ - case para_VersionID: - case para_NoCite: - case para_Title: - break; - - /* - * Chapter titles. - */ - case para_Chapter: - case para_Appendix: - case para_UnnumberedChapter: - xhtml_heading(fp, p, indexable); - break; - - case para_Heading: - case para_Subsect: - xhtml_heading(fp, p, indexable); - break; - - case para_Rule: - fprintf(fp, "\n<hr />\n"); - break; - - case para_Normal: - case para_Copyright: - fprintf(fp, "\n<p>"); - xhtml_para(fp, p->words, indexable); - fprintf(fp, "</p>\n"); - break; - - case para_LcontPush: - { - int *p; - p = mknew(int); - *p = last_type; - stk_push(lcont_stack, p); - last_type = para_Normal; - } - break; - case para_LcontPop: - { - int *p = stk_pop(lcont_stack); - assert(p); - ptype = last_type = *p; - sfree(p); - goto closeofflist; /* ick */ - } - break; - case para_QuotePush: - fprintf(fp, "<blockquote>\n"); - break; - case para_QuotePop: - fprintf(fp, "</blockquote>\n"); - break; - - case para_Bullet: - case para_NumberedList: - case para_Description: - case para_DescribedThing: - case para_BiblioCited: - if (last_type!=p->type && - !(last_type==para_DescribedThing && p->type==para_Description) && - !(last_type==para_Description && p->type==para_DescribedThing)) { - /* start up list if necessary */ - if (p->type == para_Bullet) { - fprintf(fp, "<ul>\n"); - } else if (p->type == para_NumberedList) { - fprintf(fp, "<ol>\n"); - } else if (p->type == para_BiblioCited || - p->type == para_DescribedThing || - p->type == para_Description) { - fprintf(fp, "<dl>\n"); - } - } - if (p->type == para_Bullet || p->type == para_NumberedList) { - fprintf(fp, "<li>"); - } else if (p->type == para_DescribedThing) { - fprintf(fp, "<dt>"); - } else if (p->type == para_Description) { - fprintf(fp, "<dd>"); - } else if (p->type == para_BiblioCited) { - fprintf(fp, "<dt>"); - xhtml_para(fp, p->kwtext, indexable); - fprintf(fp, "</dt>\n<dd>"); - } - xhtml_para(fp, p->words, indexable); - { - paragraph *p2 = p->next; - if (p2 && xhtml_para_level(p2)==-1 && p2->type == para_LcontPush) - break; - } - - closeofflist: - if (ptype == para_BiblioCited) { - fprintf(fp, "</dd>\n"); - } else if (ptype == para_DescribedThing) { - fprintf(fp, "</dt>"); - } else if (ptype == para_Description) { - fprintf(fp, "</dd>"); - } else if (ptype == para_Bullet || ptype == para_NumberedList) { - fprintf(fp, "</li>"); - } - if (ptype == para_Bullet || ptype == para_NumberedList || - ptype == para_BiblioCited || ptype == para_Description || - ptype == para_DescribedThing) - /* close off list if necessary */ - { - paragraph *p2 = p->next; - int close_off=FALSE; -/* if (p2 && (xhtml_para_level(p2)>limit || xhtml_para_level(p2)==-1)) {*/ - if (p2 && xhtml_para_level(p2)==-1) { - if (p2->type != ptype && - !(p2->type==para_DescribedThing && ptype==para_Description) && - !(p2->type==para_Description && ptype==para_DescribedThing) && - p2->type != para_LcontPush) - close_off=TRUE; - } else { - close_off=TRUE; - } - if (close_off) { - if (ptype == para_Bullet) { - fprintf(fp, "</ul>\n"); - } else if (ptype == para_NumberedList) { - fprintf(fp, "</ol>\n"); - } else if (ptype == para_BiblioCited || - ptype == para_Description || - ptype == para_DescribedThing) { - fprintf(fp, "</dl>\n"); - } - } - } - break; - - case para_Code: - xhtml_codepara(fp, p->words); - break; - } - last_type = ptype; - } - - stk_free(lcont_stack); -} - -/* - * Output a header for this XHTML file. - */ -static void xhtml_doheader(FILE *fp, word *title) -{ - fprintf(fp, "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"); - fprintf(fp, "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"); - fprintf(fp, "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n\n<head>\n<title>"); - if (title==NULL) - fprintf(fp, "The thing with no name!"); - else - xhtml_para(fp, title, FALSE); - fprintf(fp, "</title>\n"); - fprintf(fp, "<meta name=\"generator\" content=\"Halibut %s xhtml-backend\" />\n", version); - if (conf.author) - fprintf(fp, "<meta name=\"author\" content=\"%ls\" />\n", conf.author); - if (conf.description) - fprintf(fp, "<meta name=\"description\" content=\"%ls\" />\n", conf.description); - if (conf.head_end) - fprintf(fp, "%ls\n", conf.head_end); - fprintf(fp, "</head>\n\n"); - if (conf.body) - fprintf(fp, "%ls\n", conf.body); - else - fprintf(fp, "<body>\n"); - if (conf.body_start) - fprintf(fp, "%ls\n", conf.body_start); -} - -/* - * Output a footer for this XHTML file. - */ -static void xhtml_dofooter(FILE *fp) -{ - fprintf(fp, "\n<hr />\n\n"); - if (conf.body_end) - fprintf(fp, "%ls\n", conf.body_end); - if (!conf.suppress_address) { - fprintf(fp,"<address>\n"); - if (conf.address_start) - fprintf(fp, "%ls\n", conf.address_start); - /* Do the version ID */ - if (conf.include_version_id) { - paragraph *p; - int started = 0; - for (p = sourceparas; p; p = p->next) - if (p->type == para_VersionID) { - xhtml_versionid(fp, p->words, started); - started = 1; - } - } - if (conf.address_end) - fprintf(fp, "%ls\n", conf.address_end); - fprintf(fp, "</address>\n"); - } - fprintf(fp, "</body>\n\n</html>\n"); -} - -/* - * Output the versionid paragraph. Typically this is a version control - * ID string (such as $Id...$ in RCS). - */ -static void xhtml_versionid(FILE *fp, word *text, int started) -{ - rdstringc t = { 0, 0, NULL }; - - rdaddc(&t, '['); /* FIXME: configurability */ - xhtml_rdaddwc(&t, text, NULL, FALSE); - rdaddc(&t, ']'); /* FIXME: configurability */ - - if (started) - fprintf(fp, "<br />\n"); - fprintf(fp, "%s\n", t.text); - sfree(t.text); -} - -/* Is this an XHTML reserved character? */ -static int xhtml_reservedchar(int c) -{ - if (c=='&' || c=='<' || c=='>' || c=='"') - return TRUE; - else - return FALSE; -} - -/* - * Convert a wide string into valid XHTML: Anything outside ASCII will - * be fixed up as an entity. Currently we don't worry about constraining the - * encoded character set, which we should probably do at some point (we can - * still fix up and return FALSE - see the last comment here). We also don't - * currently - * - * Because this is only used for words, spaces are HARD spaces (any other - * spaces will be word_Whitespace not word_Normal). So they become - * Unless hard_spaces is FALSE, of course (code paragraphs break the above - * rule). - * - * If `result' is non-NULL, mallocs the resulting string and stores a pointer to - * it in `*result'. If `result' is NULL, merely checks whether all - * characters in the string are feasible. - * - * Return is nonzero if all characters are OK. If not all - * characters are OK but `result' is non-NULL, a result _will_ - * still be generated! - */ -static int xhtml_convert(wchar_t *s, int maxlen, char **result, - int hard_spaces) { - int doing = (result != 0); - int ok = TRUE; - char *p = NULL; - int plen = 0, psize = 0; - - if (maxlen <= 0) - maxlen = -1; - - for (; *s && maxlen != 0; s++, maxlen--) { - wchar_t c = *s; - -#define ensure_size(i) if (i>=psize) { psize = i+256; p = resize(p, psize); } - - if (((c == 32 && !hard_spaces) || (c > 32 && c <= 126 && !xhtml_reservedchar(c)))) { - /* Char is OK. */ - if (doing) - { - ensure_size(plen); - p[plen++] = (char)c; - } - } else { - /* Char needs fixing up. */ - /* ok = FALSE; -- currently we never return FALSE; we - * might want to when considering a character set for the - * encoded document. - */ - if (doing) - { - if (c==32) { /* a space in a word is a hard space */ - ensure_size(plen+6); /* includes space for the NUL, which is subsequently stomped on */ - sprintf(p+plen, " "); - plen+=6; - } else { - /* FIXME: entity names! */ - ensure_size(plen+8); /* includes space for the NUL, which is subsequently stomped on */ - plen+=sprintf(p+plen, "&#%04i;", (int)c); - } - } - } - } - if (doing) { - p = resize(p, plen+1); - p[plen] = '\0'; - *result = p; - } - return ok; -} - -/* - * This formats the given words as XHTML. - * - * `indexable', if FALSE, prohibits adding any index references. - * You might use this, for example, if an index reference occurred - * in a section title, to prevent phony index references when the - * section title is processed in strange places such as contents - * sections. - */ -static void xhtml_rdaddwc(rdstringc *rs, word *text, word *end, int indexable) { - char *c; - keyword *kwl; - xhtmlsection *sect; - indextag *itag; - int ti; - - for (; text && text != end; text = text->next) { - switch (text->type) { - case word_HyperLink: - xhtml_utostr(text->text, &c); - rdaddsc(rs, "<a href=\""); - rdaddsc(rs, c); - rdaddsc(rs, "\">"); - sfree(c); - break; - - case word_UpperXref: - case word_LowerXref: - kwl = kw_lookup(keywords, text->text); - if (kwl) { - sect=xhtml_find_section(kwl->para); - if (sect) { - rdaddsc(rs, "<a href=\""); - rdaddsc(rs, sect->file->filename); - rdaddc(rs, '#'); - rdaddsc(rs, sect->fragment); - rdaddsc(rs, "\">"); - } else { - rdaddsc(rs, "<a href=\"Apologies.html\"><!-- probably a bibliography cross reference -->"); - error(err_whatever, "Couldn't locate cross-reference! (Probably a bibliography entry.)"); - } - } else { - rdaddsc(rs, "<a href=\"Apologies.html\"><!-- unknown cross-reference -->"); - error(err_whatever, "Couldn't locate cross-reference! (Wasn't in source file.)"); - } - break; - - case word_IndexRef: /* in theory we could make an index target here */ -/* rdaddsc(rs, "<a name=\"idx-"); - xhtml_utostr(text->text, &c); - rdaddsc(rs, c); - sfree(c); - rdaddsc(rs, "\"></a>");*/ - /* what we _do_ need to do is to fix up the backend data - * for any indexentry this points to. - */ - if (!indexable) - break; - - for (ti=0; (itag = (indextag *)index234(idx->tags, ti))!=NULL; ti++) { - /* FIXME: really ustricmp() and not ustrcmp()? */ - if (ustricmp(itag->name, text->text)==0) { - break; - } - } - if (itag!=NULL) { - if (itag->refs!=NULL) { - int i; - for (i=0; i<itag->nrefs; i++) { - xhtmlindex *idx_ref; - indexentry *ientry; - - ientry = itag->refs[i]; - if (ientry->backend_data==NULL) { - idx_ref = (xhtmlindex*) smalloc(sizeof(xhtmlindex)); - if (idx_ref==NULL) - fatal(err_nomemory); - idx_ref->nsection = 0; - idx_ref->size = 4; - idx_ref->sections = (xhtmlsection**) smalloc(idx_ref->size * sizeof(xhtmlsection*)); - if (idx_ref->sections==NULL) - fatal(err_nomemory); - ientry->backend_data = idx_ref; - } else { - idx_ref = ientry->backend_data; - if (idx_ref->nsection+1 > idx_ref->size) { - int new_size = idx_ref->size * 2; - idx_ref->sections = srealloc(idx_ref->sections, new_size * sizeof(xhtmlsection)); - if (idx_ref->sections==NULL) { - fatal(err_nomemory); - } - idx_ref->size = new_size; - } - } - idx_ref->sections[idx_ref->nsection++] = currentsection; -#if 0 -#endif - } - } else { - fatal(err_whatever, "Index tag had no entries!"); - } - } else { - fprintf(stderr, "Looking for index entry '%ls'\n", text->text); - fatal(err_whatever, "Couldn't locate index entry! (Wasn't in index.)"); - } - break; - - case word_HyperEnd: - case word_XrefEnd: - rdaddsc(rs, "</a>"); - break; - - case word_Normal: - case word_Emph: - case word_Code: - case word_WeakCode: - case word_WhiteSpace: - case word_EmphSpace: - case word_CodeSpace: - case word_WkCodeSpace: - case word_Quote: - case word_EmphQuote: - case word_CodeQuote: - case word_WkCodeQuote: - assert(text->type != word_CodeQuote && - text->type != word_WkCodeQuote); - if (towordstyle(text->type) == word_Emph && - (attraux(text->aux) == attr_First || - attraux(text->aux) == attr_Only)) - rdaddsc(rs, "<em>"); - else if ((towordstyle(text->type) == word_Code || towordstyle(text->type) == word_WeakCode) && - (attraux(text->aux) == attr_First || - attraux(text->aux) == attr_Only)) - rdaddsc(rs, "<code>"); - - if (removeattr(text->type) == word_Normal) { - if (xhtml_convert(text->text, 0, &c, TRUE) || !text->alt) - /* spaces in the word are hard */ - rdaddsc(rs, c); - else - xhtml_rdaddwc(rs, text->alt, NULL, indexable); - sfree(c); - } else if (removeattr(text->type) == word_WhiteSpace) { - rdaddc(rs, ' '); - } else if (removeattr(text->type) == word_Quote) { - rdaddsc(rs, """); - } - - if (towordstyle(text->type) == word_Emph && - (attraux(text->aux) == attr_Last || - attraux(text->aux) == attr_Only)) - rdaddsc(rs, "</em>"); - else if ((towordstyle(text->type) == word_Code || towordstyle(text->type) == word_WeakCode) && - (attraux(text->aux) == attr_Last || - attraux(text->aux) == attr_Only)) - rdaddsc(rs, "</code>"); - break; - } - } -} - -/* Output a heading, formatted as XHTML. - */ -static void xhtml_heading(FILE *fp, paragraph *p, int indexable) -{ - rdstringc t = { 0, 0, NULL }; - word *tprefix = p->kwtext; - word *nprefix = p->kwtext2; - word *text = p->words; - int level = xhtml_para_level(p); - xhtmlsection *sect = xhtml_find_section(p); - xhtmlheadfmt *fmt; - char *fragment; - if (sect) { - fragment = sect->fragment; - } else { - if (p->type == para_Title) - fragment = "title"; - else { - fragment = ""; /* FIXME: what else can we do? */ - error(err_whatever, "Couldn't locate heading cross-reference!"); - } - } - - if (p->type == para_Title) - fmt = NULL; - else if (level == 1) - fmt = &conf.fchapter; - else if (level-1 < conf.nfsect) - fmt = &conf.fsect[level-1]; - else - fmt = &conf.fsect[conf.nfsect-1]; - - if (fmt && fmt->just_numbers && nprefix) { - xhtml_rdaddwc(&t, nprefix, NULL, indexable); - if (fmt) { - char *c; - if (xhtml_convert(fmt->number_suffix, 0, &c, FALSE)) { - rdaddsc(&t, c); - sfree(c); - } - } - } else if (fmt && !fmt->just_numbers && tprefix) { - xhtml_rdaddwc(&t, tprefix, NULL, indexable); - if (fmt) { - char *c; - if (xhtml_convert(fmt->number_suffix, 0, &c, FALSE)) { - rdaddsc(&t, c); - sfree(c); - } - } - } - xhtml_rdaddwc(&t, text, NULL, indexable); - /* - * If we're outputting in single-file mode, we need to lower - * the level of each heading by one, because the overall - * document title will be sitting right at the top as an <h1> - * and so chapters and sections should start at <h2>. - * - * Even if not, the document title will come back from - * xhtml_para_level() as level zero, so we must increment that - * no matter what leaf_level is set to. - */ - if (conf.leaf_level == 0 || level == 0) - level++; - fprintf(fp, "<a name=\"%s\"></a><h%i>%s</h%i>\n", fragment, level, t.text, level); - sfree(t.text); -} - -/* Output a paragraph. Styles are handled by xhtml_rdaddwc(). - * This looks pretty simple; I may have missed something ... - */ -static void xhtml_para(FILE *fp, word *text, int indexable) -{ - rdstringc out = { 0, 0, NULL }; - xhtml_rdaddwc(&out, text, NULL, indexable); - fprintf(fp, "%s", out.text); - sfree(out.text); -} - -/* Output a code paragraph. I'm treating this as preformatted, which - * may not be entirely correct. See xhtml_para() for my worries about - * this being overly-simple; however I think that most of the complexity - * of the text backend came entirely out of word wrapping anyway. - */ -static void xhtml_codepara(FILE *fp, word *text) -{ - fprintf(fp, "<pre>"); - for (; text; text = text->next) if (text->type == word_WeakCode) { - word *here, *next; - char *c; - - /* - * See if this WeakCode is followed by an Emph to indicate - * emphasis. - */ - here = text; - if (text->next && text->next->type == word_Emph) { - next = text = text->next; - } else - next = NULL; - - if (next) { - wchar_t *t, *e; - int n; - - t = here->text; - e = next->text; - - while (*e) { - int ec = *e; - - for (n = 0; t[n] && e[n] && e[n] == ec; n++); - xhtml_convert(t, n, &c, FALSE); - fprintf(fp, "%s%s%s", - (ec == 'i' ? "<em>" : ec == 'b' ? "<b>" : ""), - c, - (ec == 'i' ? "</em>" : ec == 'b' ? "</b>" : "")); - sfree(c); - - t += n; - e += n; - } - - xhtml_convert(t, 0, &c, FALSE); - fprintf(fp, "%s\n", c); - sfree(c); - } else { - xhtml_convert(here->text, 0, &c, FALSE); - fprintf(fp, "%s\n", c); - sfree(c); - } - } - fprintf(fp, "</pre>\n"); -} |