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[misc] Replace mxml with libxml2

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mxml 4 is binary and source incompatible with 3, and there is no easy way to
stay compatible with both. Not great for a library. So replace with libxml2,
hopefully that is more stable. Also means we can get rid of all the mxml hacks
This commit is contained in:
ejurgensen
2024-05-29 16:37:30 +02:00
parent 75fe3f100a
commit 75b8f06e25
4 changed files with 186 additions and 322 deletions
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22
src/misc_xml.h
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@@ -1,55 +1,43 @@
#ifndef SRC_MISC_XML_H_
#define SRC_MISC_XML_H_
// This wraps mxml and adds some convenience functions. This also means that
// callers don't need to concern themselves with changes and bugs in various
// versions of mxml.
// This wraps libxml2 and adds some convenience functions
typedef void xml_node;
// Wraps mxmlSaveAllocString. Returns NULL on error.
char *
xml_to_string(xml_node *top);
xml_to_string(xml_node *top, const char *xml_declaration);
// Wraps mxmlNewXML and mxmlLoadString, so creates an xml struct with the parsed
// content of string. Returns NULL on error.
xml_node *
xml_from_string(const char *string);
// Wraps mxmlNewXML and mxmlLoadFile, so creates an xml struct with the parsed
// content of string. Returns NULL on error.
xml_node *
xml_from_file(const char *path);
// Wraps mxmlDelete, which will free node + underlying nodes
void
xml_free(xml_node *top);
// Wraps mxmlFindPath.
xml_node *
xml_get_node(xml_node *top, const char *path);
// Wraps mxmlGetNextSibling, but only returns sibling nodes that have the same
// name as input node.
// Only returns sibling nodes that have the same name as input node
xml_node *
xml_get_next(xml_node *top, xml_node *node);
// Wraps mxmlFindPath and mxmlGetOpaque + mxmlGetCDATA. Returns NULL if nothing
// can be found.
const char *
xml_get_val(xml_node *top, const char *path);
// Wraps mxmlFindPath and mxmlElementGetAttr. Returns NULL if nothing can be
// found.
const char *
xml_get_attr(xml_node *top, const char *path, const char *name);
// Will create a new XML document with the node as root if parent is NULL
xml_node *
xml_new_node(xml_node *parent, const char *name, const char *val);
xml_node *
xml_new_node_textf(xml_node *parent, const char *name, const char *format, ...);
// Adds a text node to parent, which must be an element node
void
xml_new_text(xml_node *parent, const char *val);