Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/docs/reference/c/fitz/xml.md @ 38:8934ac156ef5

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Allow to build with the PyPI package "clang" instead of "libclang". 1. It seems to be maintained. 2. In the FreeBSD base system there is no pre-built libclang.so. If you need this library you have to install llvm from ports additionally. 2. On FreeBSD there is no pre-built wheel "libclang" with a packaged libclang.so.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 23 Sep 2025 10:27:15 +0200
parents b50eed0cc0ef
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1 # XML Parser
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3 We have a rudimentary XML parser that handles well formed XML. It does not do
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4 any namespace processing, and it does not validate the XML syntax.
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6 The parser supports `UTF-8`, `UTF-16`, `iso-8859-1`, `iso-8859-7`, `koi8`,
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7 `windows-1250`, `windows-1251`, and `windows-1252` encoded input.
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9 If `preserve_white` is *false*, we will discard all *whitespace-only* text
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10 elements. This is useful for parsing non-text documents such as XPS and SVG.
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11 Preserving whitespace is useful for parsing XHTML.
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13 typedef struct { opaque } fz_xml_doc;
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14 typedef struct { opaque } fz_xml;
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16 fz_xml_doc *fz_parse_xml(fz_context *ctx, fz_buffer *buf, int preserve_white);
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17 void fz_drop_xml(fz_context *ctx, fz_xml_doc *xml);
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18 fz_xml *fz_xml_root(fz_xml_doc *xml);
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20 fz_xml *fz_xml_prev(fz_xml *item);
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21 fz_xml *fz_xml_next(fz_xml *item);
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22 fz_xml *fz_xml_up(fz_xml *item);
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23 fz_xml *fz_xml_down(fz_xml *item);
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25 `int fz_xml_is_tag(fz_xml *item, const char *name);`
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26 : Returns *true* if the element is a tag with the given name.
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28 `char *fz_xml_tag(fz_xml *item);`
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29 : Returns the tag name if the element is a tag, otherwise `NULL`.
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31 `char *fz_xml_att(fz_xml *item, const char *att);`
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32 : Returns the value of the tag element's attribute, or `NULL` if not a tag or missing.
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34 `char *fz_xml_text(fz_xml *item);`
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35 : Returns the `UTF-8` text of the text element, or `NULL` if not a text element.
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37 `fz_xml *fz_xml_find(fz_xml *item, const char *tag);`
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38 : Find the next element with the given tag name. Returns the element
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39 itself if it matches, or the first sibling if it doesn't. Returns
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40 `NULL` if there is no sibling with that tag name.
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42 `fz_xml *fz_xml_find_next(fz_xml *item, const char *tag);`
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43 : Find the next sibling element with the given tag name, or `NULL` if none.
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45 `fz_xml *fz_xml_find_down(fz_xml *item, const char *tag);`
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46 : Find the first child element with the given tag name, or `NULL` if none.